Flora of North America species comparison

erect, unbranched or branched distally, (2.5–)4–12(–14) dm.

petiole 2–10(–16) cm;

blade lanceolate to oblanceolate or ovate, (2.2–)5–18(–22) cm × 10–40(–60) mm, margins often entire, sometimes dentate, rarely lyrate-pinnatifid.

sessile;

blade lanceolate, (2–)3.5–8.5(–11) cm × (2–)5–19(–28) mm (smaller distally, base auriculate to sagittate), margins entire.

petiolate or sessile;

blade base auriculate or not, margins entire, dentate, or pinnately lobed.

loose.

usually ebracteate, often elongated in fruit.

sepals oblong-linear, 12–18 mm;

petals whitish to lemon yellow, narrowly oblanceolate, 13–20 × 1–3 mm, claw 7–11 mm, (nearly linear-lanceolate), slightly wider at base, (margins usually erose, rarely subentire and crisped);

filaments 11–20 mm;

anthers 3.5–6 mm;

gynophore (6–)11–22(–25) mm.

usually actinomorphic, rarely zygomorphic;

sepals erect, ascending, spreading, or reflexed, lateral pair saccate or not basally;

petals white, yellow, orange, pink, lilac, lavender, purple, green, brown, or nearly black, claw present, often distinct;

filaments unappendaged, not winged;

pollen 3-colpate.

horizontal to divaricate-ascending, 4–9(–12) mm.

divaricate or descending, curved inward, (torulose), subterete, 3–6(–7) cm × 1.2–2 mm;

ovules 28–50 per ovary;

style 0.04–0.3 mm.

usually siliques, rarely silicles, usually dehiscent, unsegmented, usually terete, 4-angled, or latiseptate;

ovules 1–210[–numerous] per ovary;

style obsolete, distinct, or absent;

stigma usually entire or 2-lobed (subentire in Sibaropsis, Streptanthella).

oblong, 2–3 × 1–1.2 mm.

usually biseriate or uniseriate, rarely aseriate;

cotyledons accumbent or incumbent.

usually simple, rarely forked or dendritic [subdendritic], sometimes absent.

= 28.