Flora of North America species comparison

petiolate or sessile;

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

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

(somewhat congested), considerably elongated in fruit;

central rachis (3–)8–20(–28) cm.

usually ebracteate, often elongated in fruit.

petals usually white or lavender, rarely purple, (5–)6.5–9(–10) mm;

gynophore slender, (0.5–)0.8–3(–4) 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.

often horizontal, sometimes divaricate or slightly reflexed, straight, not whitish, stout, (2–)2.5–4.5(–6) mm, strongly flattened at base.

horizontal to divaricate or slightly reflexed, often incurved, sometimes straight, (0.8–)1.5–2.5(–3.3) cm.

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).

usually biseriate or uniseriate, rarely aseriate;

cotyledons accumbent or incumbent.

= 26.