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).

suberect or decumbent to prostrate, branched distally, 1–3.2(–4.1) dm, (pilose to hirsute).

not rosulate;

blade margins pinnatifid.

absent.

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 oblanceolate to oblong, (lateral lobes oblong to ovate, often reaching midrib), 2.4–5.2 cm × 5–12 mm, base auriculate or not, margins sinuate to pinnatifid or (lateral lobes) entire or dentate, (surfaces pilose).

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), ascending, oblong, 2–3.5 × 0.8–1.5 mm, (pilose);

petals yellow, oblanceolate to spatulate, 2.7–4.2 × 0.7–1.7 mm;

median filaments 2–3.5 mm;

anthers ovate, ca. 0.8 mm.

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

ascending, (subappressed to rachis), straight, (3–)4–10(–12) mm, (densely 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 oblong ellipsoid, (1.5–)2.5–5.5(–7) × (1–)1.7–2.8(–3.5) mm;

valves densely pilose;

ovules 24–40 per ovary;

style 0.7–3.2 mm, (pilose).

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

biseriate, yellowish brown, ovoid-globose, 0.7–0.9 mm, prominently colliculate.

= 16.