Flora of North America species comparison

(often simple from base), erect, branched distally, (0.5–)1–10(–14) dm, (sometimes hirsute proximally).

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

rosulate;

blade [(4–)6–20(–30) cm × 10–50(–80) mm] margins lyrate-pinnatisect, (abaxial surface sometimes hirsute).

absent.

petiolate or subsessile;

blade lyrate-pinnatisect, (lateral lobes oblong or ovate when present), (1.5–)2.5–10(–18) cm × (5–)8–25(–30) mm, (lateral lobes smaller than terminal), base auriculate or amplexicaul, margins subentire or irregularly dentate, sinuate, serrate, or crenate, (abaxial surface sometimes hirsute).

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).

often considerably elongated.

elongated.

sepals erect, oblong, 1.5–2.4(–2.6) × 0.5–1 mm;

petals yellow or pale yellow, spatulate, (1.5–)1.8–2.5(–3) × 0.5–1.5(–2) mm;

median filaments 1–2.5 mm;

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 or slightly to strongly reflexed, straight or curved, (2.5–)3–10(–14) mm.

ascending, (subappressed to rachis), straight, (3–)4–10(–12) mm, (densely pilose).

usually silicles, rarely siliques, often slightly curved, oblong, ellipsoid, or oblong-ovoid, (2.5–)4–10 × (1.5–)1.7–3(–3.5) mm;

ovules 20–90 per ovary;

style 0.2–1(–1.2) 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 to yellowish brown, ovoid or subglobose, 0.5–0.7(–0.9) mm (0.4–0.6(–0.7) mm diam.), colliculate.

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