Flora of North America species comparison

(simple from base), erect, branched distally, 1–4 dm.

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

rosulate;

[petiole (1.5–)3–7.7(–12) cm];

blade [(2.5–)4–14(–22) cm × (10–)20–40(–70) mm], margins dentate to crenate.

not rosulate;

blade margins pinnatifid.

petiolate or subsessile;

blade ovate to lanceolate, 2.5–7 cm × 4–13 mm (smaller distally), base cuneate, not auriculate, margins dentate.

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).

elongated.

elongated.

sepals (deciduous after anthesis), erect, oblong, 4–5 × 1–1.5 mm;

petals whitish, oblanceolate, 6–8 × 2.5–3 mm;

median filaments 3–4.2 mm;

anthers oblong, 0.8–1.2 mm.

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.

divaricate to horizontal, straight, 12–20(–26) mm.

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

siliques, straight or slightly curved, linear, 14–26 × 2–2.8 mm;

ovules 28–40 per ovary;

style 0.3–1 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.

uniseriate, brown, ovoid, 1.6–2 mm (1.2–1.5 mm diam.), colliculate.

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

= 32.

= 16.