Flora of North America species comparison

several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.

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

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

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

blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.

(absent or few);

similar to basal, blade linear.

subcorymbose.

dense, (few-flowered).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

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

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

(divaricate, straight), 5–10 mm.

(loosely sigmoid), 3–5 mm.

didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);

valves (retaining seeds after dehiscence), evenly pubescent;

replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;

ovules 8–10 per ovary;

style 5–7 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, (2–3 mm).

plump, (oblong).

= 48–52, 52, 64, 67–70.