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).

(simple or few from base), erect to prostrate, branched distally, 1–4 dm.

not rosulate;

blade margins pinnatifid.

not rosulate;

blade margins 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;

blade oblong to oblanceolate (lateral lobes oblong to ovate), 2.5–5.5(–7) cm × 5–13 mm, base auriculate to amplexicaul, margins sinuate.

elongated.

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 after anthesis), ascending, oblong-ovate, 2–3.3 × 0.7–1.3 mm;

petals yellow, oblanceolate, (2.2–)2.5–3.7 × 0.7–1.4 mm;

median filaments 1.8–2.2 mm;

anthers oblong, 0.5–0.6 mm.

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

ascending to suberect, (somewhat appressed to rachis), straight or curved, 2–5(–6) mm (glabrous or sparsely hirsute).

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, globose or broadly oblong, 2–4 × 1.5–2.5 mm;

valves short-strigose;

ovules 30–44 per ovary;

style 1–2.5 mm.

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

biseriate, yellowish, ovoid, 0.6–0.7 mm (0.4–0.6 mm diam.), colliculate.

= 16.

= 16.