Flora of the Southeastern United States
2022 Edition
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No key was found for the requested taxon, but it is the only child of Planodes. Showing where it is keyed below.

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Keyed in multiple places:

Key to Brassicaceae, Key A: plants in flower, trichomes of plant absent or, if present, unbranched

1 Flowers yellow.
..2 Leaves auriculate, sagittate, or amplexicaul at base.
....3 Upper stems glaucous.
......4 Petals 6-30mm, clawed; [tribe Brassiceae]
......4 Petals 2-4mm, not clawed; [tribe Isatideae]
....3 Upper stems green; [tribe Cardamineae].
........5 Stems angular distally; blooming Apr to early Jun
........5 Stems not angular distally; blooming Apr to Oct
..2 Leaves not clasping at base.
..........6 Petals with contrasting dark veins; [tribe Brassiceae]
..........6 Petals mostly uniform in color.
............ 7 Ovaries and young fruits 2-segmented; petals 6-30 mm; [tribe Brassiceae]
............ 7 Ovaries and young fruits unsegmented; petals 1-8 mm.
............ ..8 Stigmas distinctly 2-lobed; [tribe Sisymbrieae]
............ ..8 Stigmas entire, rarely indistinctly 2-lobed; [tribe Cardamineae]
1 Flowers white, pinkish, purple, lavender, or blue.
............ ....9 Leaves strictly basal or basal and cauline and auriculate.
............ ......10 Plants with only basal leaves or cauline leaves much reduced.
............ ........11 Plants annual; flowers zygomorphic; petals 0.5-2.5 mm long; [tribe Iberideae]
............ ........11 Plants annual or perennial; flowers actinomorphic; petals absent, rudimentary, or to 16 mm long; [tribe Cardamineae]
............ ......10 Plants with some well-developed cauline leaves.
............ ..........12 Ovaries and young fruits ovate, orbicular or cordate.
............ ............ 13 Ovules 1 per ovary; [tribe Calepineae]
............ ............ 13 Ovules >1 per ovary.
............ ............ ..14 Ovules 2 (rarely 4) per ovary; [tribe Lepidieae]
............ ............ ..14 Ovules 6-16 per ovary.
............ ............ ....15 Leaves mostly entire; plants not fetid; [tribe Noccaeeae]
............ ............ ....15 Leaves often toothed; plants fetid; [tribe Thlaspideae]
............ ..........12 Ovaries and young fruits linear.
............ ............ ......16 Plants aquatic or semi-aquatic; rooting at nodes; [tribe Cardamineae]
............ ............ ......16 Plants terrestrial, though sometimes growing partially submerged; not rooting at nodes.
............ ............ ........17 Flowers blue, rarely pink or white; petals 12-32 mm; [tribe Brassiceae]
............ ............ ........17 Flowers white, sometimes pink; petals <16 mm.
............ ............ ..........18 Cauline leaves sessile; [tribe Boechereae]
............ ............ ..........18 Cauline leaves usually petiolate; [tribe Cardamineae]
............ ....9 Leaves basal and cauline but not auriculate.
............ ............ ............ 19 Plants aquatic, rooting at nodes; [tribe Cardamineae].
............ ............ ............ ..20 Submersed leaves dissected into filiform segments
............ ............ ............ ..20 Leaves not dissected into filiform segments
............ ............ ............ 19 Plants terrestrial, though sometimes growing partially submersed; not rooting at nodes.
............ ............ ............ ....21 Stamens 2 or 4.
............ ............ ............ ......22 Ovaries and young fruits linear; [tribe Cardamineae]
............ ............ ............ ......22 Ovaries and young fruits ovate, orbicular or cordate.
............ ............ ............ ........23 Flowers actinomorphic; filaments not appendaged; [tribe Lepidieae]
............ ............ ............ ........23 Flowers zygomorphic; filaments appendaged; [tribe Iberideae]
............ ............ ............ ....21 Stamens 6.
............ ............ ............ ..........24 Petals 15-30 mm long; [tribe Lunarieae]
............ ............ ............ ..........24 Petals rarely to 20 mm long.
............ ............ ............ ............ 25 Ovaries and young fruits 2-segmented; [tribe Brassiceae]
............ ............ ............ ............ 25 Ovaries and young fruits unsegmented.
............ ............ ............ ............ ..26 Ovaries and young fruits ovate, orbicular or cordate; [tribe Lepidieae]
............ ............ ............ ............ ..26 Ovaries and young fruits linear.
............ ............ ............ ............ ....27 Petals with contrasting dark veins; [tribe Brassiceae]
............ ............ ............ ............ ....27 Petals mostly uniform in color.
............ ............ ............ ............ ......28 Leaves smelling of garlic when crushed, reniform or cordate, dentate; [tribe Thlaspideae]
............ ............ ............ ............ ......28 Leaves not smelling of garlic, rarely reniform or cordate, with margins various.
............ ............ ............ ............ ........29 Cauline leaves sessile; [tribe Boechereae]
............ ............ ............ ............ ........29 Cauline leaves usually petiolate; [tribe Cardamineae].
............ ............ ............ ............ ..........30 Base of plant usually glabrous; seeds not winged

Key to Brassicaceae, Key C: plants in fruit, trichomes of plant absent or, if present, unbranched

1 Fruits silicles (< 3× as long as wide).
..2 Fruits 2-segmented
..2 Fruits unsegmented.
....3 Fruits 2 cm or more wide
....3 Fruits < 2 cm wide.
......4 Fruits with 20 or more seeds
......4 Fruits with 16 or fewer seeds.
........5 Fruits with 1 seed.
..........6 Plants 5 dm or more tall
..........6 Plants < 5 dm tall
........5 Fruits with 2-16 seeds.
............ 7 Fruits with 2 seeds
............ 7 Fruits with more than 2 seeds.
............ ..8 Leaves pinnately lobed
............ ..8 Leaves not lobed.
............ ....9 Plants not fetid; seeds usually smooth, yellowish to medium brown
............ ....9 Plants fetid; seeds striate or alveolate, dark gray to dark brown or black
1 Fruits siliques (> 3× as long as wide).
............ ......10 Fruits indehiscent or breaking into 1-seeded segments.
............ ........11 Fruits not segmented, 1-seeded
............ ........11 Fruits segmented, usually more than 1-seeded.
............ ..........12 Styles obsolete; plants glabrous; of beaches
............ ..........12 Styles 1-5 mm; plants pubescent; inland
............ ......10 Fruits dehiscent, more than 1-seeded.
............ ............ 13 Fruits segmented
............ ............ 13 Fruits unsegmented.
............ ............ ..14 Fruits latiseptate (flattened parallel to the septum).
............ ............ ....15 Replums strongly flattened; fruit valves dehiscing elastically, coiled
............ ............ ....15 Replums terete; fruit valves not dehiscing elastically or coiled.
............ ............ ......16 Seeds not winged
............ ............ ......16 Seeds winged at least distally.
............ ............ ........17 Cauline leaves pinnatifid or pinnatisect
............ ............ ........17 Cauline leaves entire or dentate
............ ............ ..14 Fruits terete or 4-angled.
............ ............ ..........18 Plants aquatic or semi-aquatic; rooting at nodes
............ ............ ..........18 Plants terrestrial, though rarely growing partially submersed; not rooting at nodes.
............ ............ ............ 19 Leaves smelling of garlic when crushed, reniform or cordate, dentate
............ ............ ............ 19 Leaves not smelling of garlic when crush, rarely reniform or cordate, dentate or not.
............ ............ ............ ..20 Seeds biseriate
............ ............ ............ ..20 Seeds uniseriate.
............ ............ ............ ....21 Stigma lobes obviously decurrent
............ ............ ............ ....21 Stigma lobes sometimes distinct but not decurrent.
............ ............ ............ ......22 Lower cauline leaves entire or dentate
............ ............ ............ ......22 Lower cauline leaves pinnatifid or pinnatisect.
............ ............ ............ ........23 Terminal leaflet lobes nearly entire to crenate or undulate
............ ............ ............ ........23 Terminal leaflet lobes sharply toothed or cut