Flora of North America species comparison

simple from base, erect, (usually unbranched), to 4.5 dm.

several from base, erect or decumbent and straggling, (branched distally, branches usually filiform), to 5 dm.

blade suborbicular to elliptic, 2–9.5(–11.5) cm, margins entire, sinuate, coarsely dentate, or almost lyrate-pinnatifid.

blade obovate or rhombic to broadly elliptic, 1–4.5(–6.5) cm, margins entire or lyrate-pinnatifid.

similar to basal, blade narrowly linear or, sometimes, orbicular.

(proximal petiolate, distal sessile);

blade rhombic or obovate to elliptic, 0.5–2(–3) cm, margins entire or sinuate to remotely toothed.

loose (lax).

loose.

sepals elliptic or ovate, (2–)3.5–7.5 mm, (cucullate);

petals 6–11 mm.

sepals elliptic or ovate, 2.5–5.5 mm, (median pair thickened apically, cucullate);

petals (yellow to orange-yellow), obovate to cuneate, 4–7 mm, (apex sometimes retuse).

(recurved, straight, curved, or sigmoid), 6–20 mm.

(recurved in age), 5–10(–15) mm, (slender).

obovoid to subglobose, not inflated (not angustiseptate), 3–6 mm;

valves sparsely pubescent, sometimes glabrous inside, trichomes sessile or stalked;

ovules 4(–8) per ovary;

style (1.6–)3–6 mm.

globose or subglobose, not or slightly inflated, (2–)3–5(–7) mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

replum as wide as or wider than fruit;

ovules (4–)8–16(–20) per ovary;

style (1–5–)2–4.5 mm.

flattened.

flattened.

= 10, 30.

= 10.