Flora of North America species comparison

(few to several from base), usually ascending, decumbent, or prostrate, rarely erect, branched distally, 1–4.2(–5) dm, (hirsute proximally).

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

not rosulate;

blade margins pinnatifid.

not rosulate;

blade margins pinnatifid.

shortly petiolate or sessile;

blade oblong or oblanceolate to obovate, (terminal lobe oblong), (2–)3.5–10(–12) cm × (5–)10–30(–37) mm, (lateral lobe smaller than terminal), base usually auriculate, rarely amplexicaul, margins: proximal pinnatifid or sinuate, distal dentate or entire, (surfaces sparsely pubescent).

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).

elongated.

considerably elongated.

sepals erect, oblong, 0.8–1.8 × 0.5–1 mm;

petals (erect), yellow, oblanceolate to spatulate, 0.5–1.8 × 0.2–1 mm;

median filaments 0.9–1.3mm;

anthers ovate, 0.3–0.5 mm.

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, straight or recurved, (1.2–)1.7–5(–8) mm.

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

silicles or siliques, curved, ovoid to pyriform, 2–8(–8.8) × (0.5–)1–2.5 mm;

valves glabrous;

ovules (20–)30–80 per ovary;

style 0.3–1 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, brown, cordiform, 0.5–0.7 mm, colliculate.

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

= 16.

= 16.