No key was found for the requested taxon, but it has only one child: Pueraria montana var. lobata. Showing where it is keyed below.

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Key to Fabaceae, Key K: herbaceous legumes with pinnately trifoliolate leaves [subfamily Faboideae]

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1 Leaflets denticulate (sometimes inconspicuously so); [tribe Trifolieae].
  2 Inflorescences elongate racemes with an axis 5-15 cm long, the flowers well-spaced along the axis, the overall inflorescence much longer than its diameter
  2 Inflorescences umbellate or headlike clusters or short racemes with an axis < 2 cm long, the flowers closely clustered, the overall inflorescence little (if at all) longer than its diameter.
    3 Legumes spirally coiled or curved, often tuberculate or prickly; stems 4-angled towards the tip; leaves pinnately trifoliolate; calyx actinomorphic
    3 Legumes straight or nearly so, never tuberculate or prickly; stems terete or flattened (2-angled) towards the tip; leaves palmately 3-foliolate; calyx zygomorphic
1 Leaflets entire (and sometimes also with 1 or 2 broad lobes), or with scattered, irregular large teeth (Pachyrhizus erosus).
      4 Main stems erect or ascending, not trailing, twining, or otherwise vine-like.
        5 Flowers not papilionaceous (the wings and keel epistemonous, arising terminally or laterally from the stamen tube), barely bilaterally symmetrical; stamens 5, monadelphous; [tribe Amorpheae]
        5 Flowers papilionaceous; stamens 10, diadelphous or monadelphous.
          6 Plants with separate leafy and flowering stems (the flowering stems naked or nearly so of leaves).
             7 Standard bright red, remaining folded, 30-50 mm long; leaves hastately lobed; fruit a torulose legume, 6-20 cm long, the seeds red; [tribe Phaseoleae]
             7 Standard white or pink, expanded, 4-8 mm long; leaves not hastate; fruit a flattened loment, < 5 cm long, the seeds drab; [tribe Desmodieae]
          6 Plants bearing leaves and flowers on the same stems.
               8 Leaves, stems, and/or calyces glandular-punctate.
                 9 Corollas pink or lavender/purplish; leaflets estipellate; fruit 1-seeded, indehiscent; [tribe Psoraleae]
                 9 Corollas yellow; leaflets stipellate; fruit 2-many-seeded, dehiscent; [tribe Phaseoleae, subtribe Cajaninae]
               8 Leaves, stems, and calyces lacking punctate glands.
                   10 Leaflet blades large, at least the largest terminal leaflets on a plant > 5 cm long.
                     11 Stipels absent on the petiolules of mature leaflets; stamens monadelphous.
                       12 Fruit a legume (not segmented into 1-seed dispersal units), hairy but the hairs not hooked; [plants cultivated as garden plants, rare as waifs]
                       12 Fruit a loment (separating into single-seeded segments), uncinulate (with hooked hairs, the fruits attaching to hairs or clothes as 'stick-tights'); [plants widespread, common]
                     11 Stipels present, persistent; stamens diadelphous (9 and 1).
                          13 Fruit a loment (separating into single-seeded segments), uncinulate (with hooked hairs, the fruits attaching to hairs or clothes as 'stick-tights'); [plants widespread, common]
                          13 Fruit a legume (not segmented into 1-seed dispersal units), hairy but the hairs not hooked; [plants cultivated as crops or garden plants, rare as waifs]
                            14 sKeel of corolla not coiled; stipules inconspicuous; [soy beans]
                            14 Keel of corolla coiled 1-3 turns; stipules conspicuous, persistent, striate; [bush green beans or lima beans]
                   10 Leaflet blades smaller, all on a plant < 5 cm long.
                              15 Stipels present, persistent.
                                16 Fruit a loment (separating into single-seeded segments), uncinulate (with hooked hairs, the fruits attaching to hairs or clothes as 'stick-tights')
                                16 Fruit a several- to many-seeded legume, glabrous to hairy (but not uncinulate)
                              15 Stipels absent on the petiolules of mature leaflets.
                                  17 Fruits dehiscent, a legume with 2 or more seeds.
                                    18 Terminal leaflet very similar in size as the 2 lateral leaflets; banner petal prominently striate-veined
                                    18 Terminal leaflet 2× or more as long as the 2 lateral leaflets; banner petal evenly colored
                                  17 Fruits indehiscent: either 1-seeded, or a loment with 2 or more one-seeded (indehiscent) segments.
                                       19 Petioles fused most of length with amplexicaul stipules, the leaves thus appearing sessile or nearly so; corollas lemon to orangy yellow; flowers subsessile; fruit a loment of 2 segments, the terminal segment fertile, the lower segment either sterile or fertile
                                       19 Petioles free from stipules, leaves evidently petiolate; corollas white to pink; flowers pedicellate; fruit either 1-seeded, or a loment normally with 3+ segments
                                         20 Fruit a loment, with 1-3 segments; terminal leaflets 3-10 cm long, 1-1.5× as long as wide; stamens monadelphous
                                         20 Fruit 1-seeded; terminal leaflets 1-5 cm long, 1.2-8× as long as wide; stamens diadelphous (9 and 1)
      4 Main stems trailing, twining, creeping, or climbing or sprawling over other vegetation.
                                           21 Leaves, stems, and/or calyces glandular-punctate; corollas yellow.
                                           21 Leaves, stems, and calyces lacking punctate glands; corollas yellow, pink, purplish, white, red, blue.
                                             22 Leaflet blades smaller, all on a plant < 5 cm long.
                                               23 Stipels absent on the petiolules of mature leaflets.
                                                 24 Fruit a loment of 2 segments, the terminal segment fertile, the lower segment either sterile or fertile; corollas lemon to orangy yellow
                                                 24 Fruit 1-seeded; corollas pink-purplish to white, or bronze to brick-red.
                                                    25 Corollas pink-purplish to white
                                                    25 Corollas bronze to brick-red
                                               23 Stipels present, persistent (minute in Amphicarpaea).
                                                      26 Fruit a loment (separating into single-seeded segments), uncinulate (with hooked hairs, the fruits attaching to hairs or clothes as 'stick-tights').
                                                        27 Flowers in axillary or terminal racemes; leaflets rotund, broadly ovate, broadly elliptic, or narrowly elliptic, the larger > 1 cm long.
                                                        27 Flowers in axillary clusters; leaflets broadly obovate, 0.5-1 cm long
                                                      26 Fruit a legume, dehiscent (at least tardily), unsegmented, and with 2+ seeds.
                                                          28 Flowers resupinate (the pedicel twisted 180 degrees), the banner 2.5-5.5 cm long and positioned lowermost.
                                                            29 Calyx lobes equal to or longer than the calyx tube; fruits 3-5 mm wide
                                                            29 Calyx lobes shorter than the calyx tube; fruits 5-8 mm wide
                                                          28 Flowers not resupinate, the banner 0.7-2.5 cm long and positioned uppermost.
                                                              30 Stipules caducous
                                                              30 Stipules persistent, sometimes conspicuous, sometimes striate.
                                                                 31 Keel petal and the included style straight to gently upcurved; stems very slender, < 0.75 mm in diameter
                                                                 31 Keel petal and the included style either strongly curved upwards 90-180 degrees, or even more extensively coiled (asymmetrically and spirally) in towards the flower center; stems slender to thicker, > 0.75 mm in diameter.
                                                                   32 Keel petal and the included style strongly curved upwards 90-180 degrees; corollas yellow or pink to lavender (or whitish).
                                                                     33 Corollas pink to lavender (or whitish); corolla keel usually somewhat twisted, asymmetrical; [widespread in our region]
                                                                     33 Corollas yellow (except pink in V. unguiculata); corolla keel symmetrical; [mainly outer Coastal Plain, introduced inland]
                                                                   32 Keel petal and the included style extensively coiled > 180 degrees (asymmetrically and spirally) in towards the flower center; corollas pink, purple, maroon, purple-black (or whitish).
                                                                       34 Peduncles long, the flowers borne in clusters on a raceme axis shorter than the peduncle; plants glabrate to villous, the hairs not hooked
                                                                       34 Peduncles short, the flowers scattered along a (sometimes branched) raceme axis, the raceme axis about as long as or longer than the peduncle; plants uncinulate pubescent (use 20× magnification, or touch the plant for the 'tacky' feel)
                                             22 Leaflet blades large, at least the largest terminal leaflets on a plant > 5 cm long.
                                                                         35 Stipels absent on the petiolules of mature leaflets; stamens monadelphous
                                                                         35 Stipels present, persistent (minute in Amphicarpaea); stamens diadelphous (9 and 1) or monadelphous (Pueraria).
                                                                           36 Stamens diadelphous (9 and 1); herbaceous vines with stems usually < 5 m long; flowers various in color, not 'grapy' in odor.
                                                                              37 Flowers resupinate (the pedicel twisted 180 degrees), the banner (standard) petal lowermost; banner (standard) 25-50 mm long, much larger than the other petals.
                                                                                38 Calyx lobes equal to or longer than the calyx tube; fruits 3-5 mm wide
                                                                                38 Calyx lobes shorter than the calyx tube; fruits 5-8 mm wide
                                                                              37 Flowers not resupinate, the banner (standard) uppermost; banner (standard) < 25 mm long, or if up to 30 mm then not much longer than the other petals.
                                                                                  39 Fruit a loment (separating into single-seeded segments), uncinulate (with hooked hairs, the fruits attaching to hairs or clothes as 'stick-tights')
                                                                                  39 Fruit a several- to many-seeded legume, glabrous to hairy (but not uncinulate).
                                                                                    40 Keel incurved < 90 (-120) degrees; style glabrous or pubescent.
                                                                                      41 Stipules inconspicuous or obsolescent.
                                                                                        42 Leaflets coarsely toothed; roots tuberous
                                                                                        42 Leaflets with entire margins (sometimes with 1-2 rounded lobes); roots slender
                                                                                           43 Corolla 3-4 cm long; fruits constricted between the seeds; fruits with stinging hairs
                                                                                           43 Corolla < 2 cm long; fruits constricted or not; fruits glabrous or hairy, the hairs not stinging.
                                                                                             44 Bracteoles below the calyx persistent; ventral suture of the fruit bumpy-nodose; style bearded
                                                                                             44 Bracteoles caducous; ventral suture of the fruit not bumpy-nodose; style glabrous.
                                                                                               45 Leaflets (2-) 4-8 cm long, 0.8-1.5 cm wide, 5-6× as long as wide; leaflet apices acute to obtuse; fruits not flanged or winged
                                                                                               45 Leaflets 6-14 cm long, 4-10 cm wide, 1-1.3× as long as wide; leaflet apices strongly acuminate; fruits with a flange or wing along the ventral suture
                                                                                      41 Stipules persistent and conspicuous.
                                                                                                 46 Legume quadrangular in ×-section, 4-winged
                                                                                                 46 Legume circular, elliptic, or oblong in ×-section, not winged.
                                                                                                   47 Keel petal and the included style straight to gently upcurved; stems very slender, < 0.75 mm in diameter
                                                                                                   47 Keel petal and the included style strongly curved upwards 90-180 degrees; stems slender to thicker, > 0.75 mm in diameter
                                                                                    40 Keel petal and the included style either strongly curved upwards 90-180 degrees, or even more extensively coiled (asymmetrically and spirally) in towards the flower center; style or stigma pubescent.
                                                                                                     48 Plants uncinulate pubescent (use 20× magnification, or touch the plant for the 'tacky' feel)
                                                                                                     48 Plants glabrate to villous, the hairs not hooked.
                                                                                                        49 Keel petal and the included style strongly curved upwards 90-180 degrees
                                                                                                          50 Corolla keel symmetrical; [mainly outer Coastal Plain]
                                                                                                          50 Corolla keel usually somewhat twisted, asymmetrical; [widespread in our region]
                                                                                                        49 Keel petal and the included style even more extensively coiled (asymmetrically and spirally) in towards the flower center.
                                                                                                            51 Corolla 2.5-4 cm long, the wings about as long as the other petals; leaflets not lobed
                                                                                                            51 Corolla 1.5-2 cm long, the wing petals longer than the other petals; leaflets lobed

Key to Fabaceae, Key A: woody legumes with all leaves 1-, 2-, or 3-foliolate, or reduced to flattened phyllodia or phyllodial spines

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1 Stamens numerous; inflorescences of many flowers arranged in a closely packed sphere or cylinder; leaves replaced by phyllodes, these leathery in texture and often crescent-shaped; [Mimosoid clade]
1 Stamens 10 (or fewer); inflorescences various, the flowers larger and more diffuse; leaves 1-, 2-, or 3-foliolate, or reduced to phyllodial spines; [subfamily Faboideae or Cercidioideae]
  2 Leaves 1- or 2-foliolate and > 2 cm wide; trees, shrubs, or lianas.
    3 Seeds 1-2 (-4) per fruit; corolla pale yellow, pale pink, or white; longest petals 7-10 mm long; [subfamily Faboideae]
    3 Seeds > 5 per fruit; corolla purplish-pink, bright pink, or white; longest petals 10-100 mm long [subfamily Cercidioideae]
      4 Leaves with a rounded to apiculate apex; flowers strongly bilaterally symmetrical, “pseudopapilionoid”; petals 0.8-1.5 cm long; legumes 4-10 cm long; [natives and exotics, and widely cultivated]
      4 Leaves either unifoliolate with a deeply notched apex or 2-foliolate; flowers slightly bilaterally symmetrical; petals 1.5-8 (-10) cm long; legumes 7-30 cm long; [exotics, of FL peninsula].
        5 Shrub or tree; petals 3-8 (-10) cm long
        5 Liana (climbing by twining and by tendrils); petals 1.5-2.0 cm long
  2 Leaves 3-foliolate, or reduced to phyllodial spines, or 1-foliolate (but then < 2 cm wide); shrubs or woody vines (rarely trees in Erythrina); [subfamily Faboideae].
          6 Woody vine (Pueraria, a robust herbaceous vine, is also keyed here as a failsafe).
             7 Leaves glandular beneath; terminal leaflets 1.3-4 cm long
             7 Leaves eglandular beneath; terminal leaflets 5-20 cm long.
               8 Terminal leaflet 1.5-2.5× as long as wide; corolla yellow; legume 4-6 cm wide; seeds 2-3 cm wide
               8 Terminal leaflet 0.8-1.3× as long as wide; legume 0.8-1.3 cm wide; seeds < 1 cm wide; corolla purplish or red.
                 9 Calyx 4.5-6 mm long; leaflets unlobed; [tribe Phaseoleae]
                 9 Calyx 10-12 mm long; leaflets generally lobed; [tribe Phaseoleae]
          6 Shrub or tree.
                   10 Shrub with angled or flanged green twigs; leaves palmately trifoliolate, unifoliolate, or reduced to spine-tipped phyllodes; [introduced]; [tribe Genisteae].
                     11 Flowers red-purple; calyx 2-3 mm long; [tribe Galegeae]
                     11 Flowers bright yellow; calyx 3-15 mm long; [tribe Genisteae]
                       12 Leaves all reduced to phyllodial spines; flowers axillary; calyx 10-15 mm long
                       12 Leaves with normal lamina, either 1-foliolate or 3-foliolate; flowers in terminal racemes; calyx 3-6 mm long.
                          13 Leaves 3-foliolate lower on the stem, often 1-foliolate above; corolla 15-22 mm long
                          13 Leaves 1-foliolate throughout; corolla either 10-14 mm or 20-25 mm long
                            14 Corolla 10-14 mm long; fruits 1.5-3 cm long
                            14 Corolla 20-25 mm long; fruits 5-10 cm long
                   10 Shrub or tree with twigs various, but not conspicuously green or flanged; leaves pinnately trifoliolate or unifoliolate.
                              15 Leaflet margins toothed; [rare waif]; [tribe Trifolieae]
                              15 Leaflet margins entire; [collectively common and widespread].
                                16 Leaves unifoliolate; [tribe Genisteae]
                                16 Leaves pinnately trifoliolate.
                                  17 Corolla 15-50 mm long, yellow or scarlet; legume with several seeds; leaflets lobed or not; [tribe Phaseoleae]
                                    18 Corolla 15-21 mm long, yellow; leaflets unlobed; leaflets densely yellow glandular-punctate
                                    18 Corolla 30-50 mm long, scarlet; leaflets lobed or not; leaflets eglandular
                                  17 Corolla 8-15 mm long, purplish, pink, or white; legume 1-seeded; leaflets not lobed.
                                       19 Foliage glandular-punctate; [tribe Psoraleae]
                                       19 Foliage eglandular; [tribe Desmodieae]

Key F1: Key to Plantae

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1 Leaves 1- or 2-foliolate, if 1-foliolate then deeply notched and appearing bilobed (Bauhinia, which is also keyed in Key G).
  2 Leaves 1-foliolate (bilobed)
  2 Leaves 2-foliolate
    3 Leaflets elliptic to lanceolate, acute at the apex; petals white, not clawed; fruit a pinkish-red berry, mucilagenous or dry at maturity; plants shrubs
    3 Leaves cordate and deeply cleft (appearing 2-foliolate) or if subtly 2-foliolate, the lobes rounded at the ends; petals pink, clawed; fruit an elongated legume; plants shrubs or sometimes vines
1 Leaves 3-, 5-, to many-foliolate.
      4 Plant a liana, climbing by twining, by tendrils, or by adventitious roots.
        5 Leaves untoothed and unlobed; fruit a legume
        5 Leaves coarsely toothed or lobed; fruit a berry (except legume in Pueraria)
          6 Leaflets obovate or broadly elliptic (broadest at or above the middle), the teeth or lobes soley or primarily in the apical half of the leaf; plant climbing by tendrils; fruit a blue to black berry.
             7 Plants with leaves trifoliolate only, the blades fleshy, > 1 mm thick when fresh, the leaftlets ovate to oblong; inflorescence axillary (accompanying leaves, not opposing them); [tribe Cayratieae]
             7 Plants often with a mix of well-developed trifoliate leaves and (less-developed) tri-lobed, simple leaves (the lobes or leaflets broadly ovate to ovate-reniform), these herbaceous, the blades thin; inflorescence leaf-opposed; [tribe Cisseae]
          6 Leaflets orbicular or ovate (broadest at the middle or below the middle), the teeth or lobes primarily or solely in the basal half of the leaf; plant climbing by stem twining or by dense, reddish adventitious roots; fruit a legume (Pueraria) or whitish berry (Toxicodendron).
               8 Plant climbing by the stem twining; [plant not actually woody, but so robust as to often be assumed to be so]
               8 Plant climbing by dense, reddish adventitious roots attaching the stem to tree trunks or rock outcrops
      4 Plant a shrub or small tree (sometimes scrambling or occasionally high-climbing with the support of other vegetation, but lacking the specialized climbing structures listed above, e.g., Akebia).
                 9 Stems armed with small prickles or stout thorns.
                   10 Stems with stout thorns at the nodes; fruit a hesperidium (orange-like, but densely hairy)
                   10 Stems with many small prickles along the internodes (directly below the nodes; sometimes inconspicuous on the vegetative stems of Erythrina); fruit various: either a legume, berry, an aggregate of drupelets, or a hip.
                     11 Leaflets with 2 rounded lateral lobes near the base, otherwise entire; fruit a legume; corolla red
                     11 Leaflet bases cuneate to rounded, unlobed (sometimes cleft), but lacking 2 rounded, lateral lobes at their bases; fruit either a drupe (Eleutherococcus), berry (Triphasia), OR a hip or aggregate of drupelets (ROSACEAE); corolla variously colored.
                       12 Flowers 3-merous (sometimes with 4 or rarely with 5 petals); fruit a glabrous berry, reddish when ripened; [uncommon non-native, s. FL]
                       12 Flowers 4- or 5-merous (with 4 or 5 petals); fruit a drupe, an aggregate of drupes, or a hip; [collectively widespread natives and non-natives, including s. FL].
                          13 Inflorescence a compound umbel, notably rounded in shape; leaves 3-5-foliolate (often trifoliolate, sometimes palmately compound); fruit a drupe; [uncommon non-native, n. FL]
                          13 Inflorescence a panicle, not notably rounded in shape; leaves 3 or more foliolate; fruit an aggregate of drupelets or a hip; [natives and non-natives; widespread]
                 9 Stems unarmed.
                            14 Leaflets serrulate, crenulate, serrate, with a few coarse and jagged teeth (spine-tipped or not), or shallowly lobed (Erythrina).
                              15 Leaflets serrulate or crenulate (crenulate teeth minute in Murraya, look closely).
                                16 Leaflets 3-11 (usually 5+ per leaf, also keyed in F5); fruit a fleshy berry, red to dark orange at maturity; [uncommon non-native, s. FL]
                                16 Leaflets usually 3 (leaves typically trifoliolate); fruit a conspicuously winged samara (dry at maturity), greenish-brown at maturity; [natives, c. FL northward and westward]
                              15 Leaflets serrate, with a few coarse and jagged teeth (spine-tipped or not), or shallowly lobed (Erythrina).
                                  17 Leaflets with 2 prominent, rounded lobes near the base; fruit a legume; flowers > 3 cm long, corollas bilaterally symmetrical, red, in a terminal raceme
                                  17 Leaflets serrate and sometimes also cleft, or with a few coarse and jagged teeth (spine-tipped or not); fruit either a tan or red drupe or a red berry; flowers < 1 cm across, corollas radially symmetrical, green, yellow, or white, in axillary or terminal panicles or racemes
                                    18 Leaflets with a few spine-tipped teeth; fruit a red berry; [TX westwards]
                                    18 Leaflets not spine-tipped; fruit a red or tan drupe; [collectively widespread]
                            14 Leaflets entire and unlobed.
                                       19 Terminal leaflet sessile.
                                         20 Leaflets < 2 cm long; stems and branches dark green
                                         20 Leaflets 2-5 cm long (Hypelate) or 5-15 cm long (Ptelea); stems and branches tan to brown
                                           21 Leaflets obovate to oblanceolate, the apices usually rounded; leaves 2-5 cm long, often congested at branch tips; fruit a fleshy drupe, maroon or black-colored when ripened; flowers arranged in panicles; [s. FL only in our area]
                                           21 Leaflets usually ovate, the apices acute or acuminate; leaves 5-15 cm long, usually spaced throughout the stems, rarely congested at leaf tips; fruit a samara, brown when ripened; flowers arranged in cymes; [c. FL northward, widespread]
                                       19 Terminal leaflet with a petiolule.
                                             22 Fruit a 3-angled capsule, valvate; leaves with a strong scent of horseradish
                                             22 Fruit a berry, a berry-like drupe, or a legume (not valvate but often dehiscent); leaves lacking a strong scent of horseradish.
                                               23 Petals white, small (ca. 4 mm long); fruit a pinkish-red berry, mucilagenous or dry at maturity
                                               23 Petals small to large, variously colored (including white); fruit a legume or if berry like, then white at maturity, often somewhat laterally flattened, and plants vining, rhizomatous shrubs (Toxicodendron).
                                                 24 Leaves pinnately trifoliolate, a rachis present as an extension of the petiole past the point of attachment of the 2 lateral leaflets, the terminal leaflet borne on a petiolule at the terminus of the rachis, with an obvious joint present between the rachis and petiolule; fruit a legume
                                                 24 Leaves palmately trifoliolate, the terminal leaflet typically with a longer petiolule than the lateral leaflets, but lacking a rachis (the petiolule of the terminal leaflet attached at the same point as the 2 lateral leaflets and unjointed); fruit a white, berry-like drupe (globose or often laterally somewhat flattened).