Flora of North America species comparison

several from base, erect or somewhat decumbent, (unbranched), 1–3.5 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, usually incised or with broad teeth along petiole);

blade obovate, 4–6 cm, margins entire.

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

blade oblanceolate or broader, 1.5–2.5 cm, margins entire or sparsely dentate, (apex acute).

(absent or few);

similar to basal, blade linear.

somewhat loose, (5–15 cm).

dense, (few-flowered).

sepals oblong, 5–7 mm;

petals (lemon yellow), spatulate, 9–12 mm.

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

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

(spreading or ascending, curved, fruits not pendent), 10–20 mm.

(loosely sigmoid), 3–5 mm.

didymous, obreniform, moderately inflated, angustispetate, (8–)10–12(–15) × 10–14(–16) mm, (papery, not keeled, basal sinus absent, apical sinus broad and open);

valves (retaining seeds after dehiscence, rounded or irregular), loosely pubescent, trichomes spreading;

replum broadly lanceolate, as wide as or wider than fruit, apex acute;

ovules 8 per ovary;

style 1–2 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).

= 8.