Flora of North America species comparison

(often decumbent), branched basally, sometimes also distally, (2.6–)3–8(–9) dm.

petiole 1–4.5(–6) cm, ciliate;

blade often oblong or lanceolate, sometimes ovate to spatulate, 3.8–15(–18) cm × 15–35(–42) mm, margins usually entire, rarely repand.

(ascending);

sessile;

blade usually lanceolate to oblong, rarely linear to linear-lanceolate, (1.3–)1.6–4.8(–6) cm × (3–)5–9(–15) mm, (base usually amplexicaul to sagittate, rarely auriculate), margins entire.

petiolate or sessile;

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

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

lax, elongated in fruit, (flower buds oblong-linear).

usually ebracteate, often elongated in fruit.

sepals erect, linear to linear-oblong, (6–)6.5–9(–10) × 1–1.5(–1.8) mm;

petals usually lavender, rarely white, linear, (8–)9.5–15(–16.5) × 0.3–0.5(–0.8) mm, margins crisped between blade and claw, claw differentiated from blade, [slender, 4–6.5(–8.5) mm, narrowest at base];

nectar glands confluent, subtending bases of stamens;

filaments slightly tetradynamous, median pairs (7–)8–12.5(–14) mm, lateral pair (5.5–)7–11(–12) mm;

anthers exserted, linear to narrowly oblong, 3.5–5(–6) mm, circinately coiled;

gynophore stout, 0.5–3.5(–5) 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.

usually ascending to divaricate-ascending, rarely horizontal or divaricate, usually straight, rarely slightly incurved, stout, (3.5–)4–8 mm, not flattened at base.

usually divaricate-ascending to ascending, rarely divaricate, slightly torulose, straight or slightly incurved, terete or slightly 4-angled, (2.2–)2.8–5(–6.3) cm × 1–1.5(–1.8) mm;

ovules 50–82 per ovary;

style cylindrical, 1–2(–2.5) 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).

1–1.3(–1.5) × 0.7–0.8 mm.

usually biseriate or uniseriate, rarely aseriate;

cotyledons accumbent or incumbent.