No key was found for the requested taxon, but it has only one child: Lamprocapnos spectabilis. Showing where it is keyed below.

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Key to Fumariaceae

Fumariaceae

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1 Corolla with the 2 outer petals spurred or saccate at their bases; [tribe Corydaleae].
  2 Ultimate leaf segments 1-4 mm wide; plants with basal leaves only
  2 Ultimate leaf segments 5-70 mm wide; plants of reproductive age with stem leaves.
    3 Ultimate leaf segments 5-10 mm wide; herbaceous vine with stem leaves (stemless in its first year, and appearing to be an herb); [native]
    3 Ultimate leaf segments 20-70 mm wide; herb with basal and cauline leaves; [exotic, cultivated and rarely persistent or naturalized]
1 Corolla with only 1 outer petal spurred or saccate at its base.
      4 Ovary and fruit subglobose, with 1 seed; [tribe Fumarieae]
      4 Ovary and fruit elongate, with several to many seeds; [tribe Corydaleae].
        5 Flowers pink, the petals tipped with yellow; biennial; stem erect, 3-8 (-10) dm tall; capsules erect, 25-35 mm long
        5 Flowers yellow or entirely pink-purple or white; annual (biennial in C. incisa, perennial in Pseudofumaria lutea); stem erect, decumbent, or prostrate, 1-3 (-4) dm tall; capsules erect, ascending, divergent, or pendent, 10-20 (-25) mm long.
          6 Annual or biennial; corollas yellow, pink-purple, or white

Key N1: herbaceous dicots with mainly basal, compound leaves

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1 Leaves either 2-3-foliolate or palmately 4-11-foliolate (all the leaflets attached at a common point).
  2 Leaves 2-foliolate; fruit a capsule, opening by a circumscissile lid
  2 Leaves either 3-foliolate or palmately or pedately 4-11-foliolate.
    3 Inflorescence an involucrate head subtended by phyllaries, the heads solitary or many and variously arrayed in secondary inflorescences, the ovary inferior, the corolla connate and tubular at least basally, the calyx absent, the stamens 5, the fruit a cypsela
    3 Inflorescence, flower, and fruit structure various, but not with the combination of features as above.
      4 Inflorescence various, usually not an umbel (sometimes an umbel in Oxalis in OXALIDACEAE); ovary superior; fruit an aggregate, legume, berry, or 2-valved capsule.
        5 Leaflets either entire or barely and very shallowly crenulate or notched at the tip (but otherwise entire).
          6 Inflorescence a spadix, surrounded by a spathe; fruit a berry; [Monocots {illogically keyed here because of the likelihood of being mistaken for a dicot}]
          6 Inflorescence a raceme or umbel, not surrounded by a spathe; fruit a capsule or legume; [Eudicots].
             7 Flowers bilaterally symmetrical; fruit a legume; [plant of uplands]
             7 Flowers radially symmetrical; fruit a 2-valved or 5-valved capsule; [plant of uplands or wetlands]
               8 Leaflets not notched at the tip; flowers white; [plants of saturated saturated or ponded wetlands]
               8 Leaflets notched at the tip; flowers pink, white, or yellow; [plants of uplands or temporarily flooded wetlands]
                 9 Petals 5 or more; stamens 10 or more; fruit either a legume or an aggregate of achenes or follicles
                   10 Stamens many, fused into a staminal tube; carpels 10-20, in a ring; pubescence stellate (sometimes mixed with simple hairs)
                   10 Stamens 10-many, separate, or fused but not all into a staminal tube; carpel either 1 (FABACEAE), or 3-7 in a ring (RANUNCULACEAE), or many and spirally arranged on a conical receptacle (RANUNCULACEAE or ROSACEAE)
                     11 Leaflets serrulate; flowers bilaterally symmetrical; fruit a legume; corolla variously colored, including white
                     11 Leaflets serrate; flowers radially symmetrical; fruit an aggregate of achenes or of follicles; corolla white or yellowish or greenish.
                       12 Fruit an aggregate of achenes (borne on a fleshy, expanded receptacle in Fragaria and some Potentilla)
1 Leaves 1-pinnately compound (all leaflets attached to a central rachis) or more complexly compound (with several orders of branching, some leaflets at least attached to second-order branches from the rachis).
                              15 Inflorescence an involucrate head subtended by phyllaries, the heads solitary or many and variously arrayed in secondary inflorescences, the ovary inferior, the corolla connate and tubular at least basally, the calyx absent, the stamens 5, the fruit a cypsela
                              15 Inflorescence, flower, and fruit structure various, but not with the combination of features as above.
                            14 Leaves more complexly compound (with 2 or more orders of branching, some leaflets at least attached to second-order branches from the rachis).
                                       19 Inflorescence an involucrate head subtended by phyllaries, the heads solitary or many and variously arrayed in secondary inflorescences, the ovary inferior, the corolla connate and tubular at least basally, the calyx absent, the stamens 5, the fruit a cypsela
                                       19 Inflorescence, flower, and fruit structure various, but not with the combination of features as above (sometimes the flowers in a head subtended by bracts, but then with other features differing, such as stamens 4, or green calyx present, or petals separate, or fruit a schizocarp of mericarps, etc.).
                                             22 Carpels 5-10 or many, separate; fruit an aggregate; flower radially symmetrical
                                                    25 Leaflets with < 10 ultimate ‘points’ (lobe or tooth terminations), these rounded to broadly acute, often large in comparison to the leaflet and appearing as “sublobes”; pistil 1 or 4-many.
                                                      26 Corolla radially symmetrical; fruit an aggregate of follicles or achenes, or a naked seed resembling a drupe; [native plants of moist to dry forests and rock outcrops].
                                                        27 Leaflets 1-6 cm long, about as long as broad if > 4 cm long; pistils 4-many; fruit an aggregate of follicles or achenes; flowers mainly 4-5-merous
                                                          28 Pubescence of the stem and lower leaf surface non-glandular (or absent); flowers either bisexual (the plants hermaphroditic), or unisexual and the male and female flowers on separate plants (the plants dioecious); stamens 15 or more; pistils 1-8, separate; fruit an aggregate of follicles, a follicle, or a red or white berry.