Flora of North America species comparison

simple from base, erect, (unbranched, sparsely leaved), to 7 dm.

few to several from base, erect, (from basal tuft), 0.1–0.2(–0.3) dm, (not or just barely exceeding leaves).

blade elliptic or obovate to oblong, 4–15 cm, margins entire, dentate, or lyrate-pinnatifid.

blade spatulate to oblanceolate, 0.5–1.5 cm, (base gradually narrowed to petiole), margins entire.

(proximal often narrowed to short petiole, distal sessile);

blade broadly elliptic to obovate or rhombic, 0.5–3(–5) cm, margins entire.

(absent or few);

similar to basal, blade linear.

dense or slightly elongated.

dense, (few-flowered).

sepals elliptic to ovate, 3.5–6(–7) mm, (median pair usually thickened apically, cucullate);

petals (white, often purple-veined, fading purplish), suborbicular to obovate, obdeltate, or cuneate, 4.5–10(–12) mm, (often narrowed to broad claw, apex emarginate, less frequently claw undifferentiated from blade).

sepals (pale yellow), oblong to elliptic, 4–5 mm, (median pair usually thickened apically, cucullate);

petals (bright yellow), lingulate, 6–8 mm.

(spreading or recurved, loosely sigmoid), 5–25 mm.

(loosely sigmoid), 3–5 mm.

(pendent or horizontal, sessile or substipitate), subglobose to broadly ellipsoid, not or slightly inflated, (4–)5–8 mm;

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

replum as wide as or wider than fruit;

ovules 4–8(–12) per ovary;

style 1–3(–4) mm.

lanceolate, compressed apically, 2.5–3(–4) mm;

valves pubescent, trichomes spreading, (appearing fuzzy), rarely with trichomes inside;

ovules 4–8 per ovary;

style 2.5–4 mm.

flattened.

plump, (oblong).

= 18, 36.