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).

decumbent, much-branched distally, 0.5–2.5(–3) dm, (glabrous or pilose proximally).

not rosulate;

blade margins pinnatifid.

not rosulate;

blade margins subpinnatifid to sinuate.

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 or shortly petiolate;

blade broadly oblanceolate to oblong, (lateral lobes oblong to ovate), 1–3.2 cm × 3–12 mm, base not or minutely auriculate, margins subpinnatifid to sinuate, or (lateral lobes) usually entire, (surfaces pilose or adaxially glabrous).

elongated.

(subumbellate), not or slightly 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 (persistent), erect, oblong or ovate, 2–3 × 1–1.5 mm;

petals yellow, spatulate to oblanceolate, 2.5–3.5 × 1–1.7 mm;

median filaments 2–2.5 mm;

anthers narrowly oblong, 0.8–1.2 mm.

divaricate-ascending to horizontal, straight or recurved, (1.2–)1.7–5(–8) mm.

erect to divaricate-ascending, straight, 3–7(–9) mm, (pilose).

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.

silicles, straight, subglobose to broadly oblong, 3–6 × 2–3.5 mm;

valves glabrous;

ovules 30–44 per ovary;

style 0.8–1.5 mm.

biseriate, brown, cordiform, 0.5–0.7 mm, colliculate.

biseriate, yellowish brown, angled, cordiform, 0.8–1.1 mm, strongly colliculate.

= 16.