Flora of North America species comparison

few to several from base, erect or outer decumbent, 0.5–2.5 dm.

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

blade suborbicular to elliptic or ovate or deltate, 0.5–2(–6.5) cm, margins entire or shallowly dentate.

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

(proximal shortly petiolate, distal usually sessile);

blade narrowly elliptic or obovate, (0.5–)1–2.5(–4) cm, margins entire.

(absent or few);

similar to basal, blade linear.

compact, (± subumbellate to densely corymbiform, elongated or not).

dense, (few-flowered).

sepals ± elliptic, 4.5–7(–8.5) mm, (median pair thickened apically);

petals (sometimes white), suborbicular to obovate or obdeltate, 6.5–15 mm, (base narrowing to broad claw, apex sometimes emarginated).

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

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

(usually spreading at right angles, sometimes nearly erect, ± straight), 5–15(–20) mm, (stout).

(loosely sigmoid), 3–5 mm.

(sessile or shortly stipitate, less than 1 mm), subglobose to broadly ellipsoid, inflated or slightly compressed (terete or subterete), (4–)5–8(–9) mm;

valves (not retaining seeds after dehiscence), glabrous;

replum as wide as or wider than fruit;

ovules 8–16 per ovary;

style 4–8(–9) 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).