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- to many-branched from base), decumbent or erect, branched distally, 1–4(–5.5) dm, (hirsute proximally).

not rosulate;

blade margins pinnatifid.

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).

shortly petiolate or sessile;

blade oblong to oblanceolate, (lateral lobes oblong to ovate), (3.5–)4.5–9(–12) cm × 10–25(–33) mm, (lateral lobes smaller than terminal), base auriculate or not, margins pinnatifid to pinnatisect, or (lateral lobes) crenate to subentire.

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 ascending, oblong to ovate, 0.7–1.3 × 0.4–0.7 mm;

petals yellow, oblanceolate to spatulate, 0.6–1.2 × 0.2–0.5 mm;

median filaments 0.9–1.2 mm;

anthers ovate, 0.2–0.3 mm.

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

divaricate to slightly reflexed, straight or recurved, 1.5–3.7(–4.3) 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.

silicles, straight, globose or subglobose, 1.2–2.5(–3) mm diam.;

valves glabrous;

ovules 20–42 per ovary;

style 0.1–0.7(–1) mm.

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

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

= 16.