Flora of North America species comparison

several from base, erect or decumbent (arising laterally, unbranched), 0.5–1.5 mm.

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 to orbicular, 3–6 cm (width 10–20 mm), margins entire or dentate.

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

blade spatulate, 1–2 cm (width 3–6 mm), margins entire, (apex often acute).

(absent or few);

similar to basal, blade linear.

congested.

dense, (few-flowered).

sepals narrowly lanceolate, 5–8(–9) mm;

petals narrowly oblanceolate, 9–12 mm, (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.

(divaricate, slightly sigmoid), 8–15 mm.

(loosely sigmoid), 3–5 mm.

(often purplish in age), didymous, subreniform, strongly inflated, 9–18 × 11–21(–30) mm, (papery, base obtuse to slightly cordate, apical sinus V-shaped or convex, open crests rounded);

valves (2-keeled on side away from replum, each 3-sided, keels rounded, sides flat or slightly convex, retaining seeds after dehiscence), evenly and densely pubescent;

replum oblong, as wide as or wider than fruits, apex obtuse;

ovules 4–12 per ovary;

style (4–)6–8 mm (exceeding sinus).

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, 10, 16, 24.