Flora of North America species comparison

(many to few from base), decumbent or prostrate, branched distally, 1–4.2(–5) dm, (pubescent proximally).

not rosulate;

blade margins pinnatifid.

sessile;

blade oblong to oblanceolate or lanceolate (lateral lobes oblong or ovate), (1.5–)2.5–6.5(–9) cm × 5–18(–25) mm, base usually auriculate, rarely proximalmost not auriculate, margins pinnatifid to deeply sinuate, or (lateral lobes) dentate to sinuate or entire, (surfaces pubescent abaxially with vesicular trichomes on veins, glabrous adaxially).

considerably elongated.

sepals ascending, oblong, 2.2–3.7(–4.5) × 1–1.8 mm;

petals yellow, oblanceolate to spatulate, (2.7–)3.2–5.3(–6) × 1.5–2.5 mm;

median filaments 3–5.5 mm;

anthers narrowly oblong, 1.2–1.7 mm.

divaricate-ascending to horizontal, sigmoid or recurved, 4–12(–14.5) mm.

siliques, curved, oblong to lanceolate or linear, (4–)5–12(–16) × (1–)1.5–2.5 mm;

valves glabrous or pubescent;

ovules (30–)50–82(–98) per ovary;

style (0.8–)1–2.5(–3.5) mm.

biseriate, yellow-brown, angled, cordiform, 0.7–1 mm (0.5–0.6 mm diam.), colliculate.

= 16.