Flora of North America species comparison

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

few from base, well-exserted from basal leaves, 0.4–1(–1.2) dm.

(petiole slender);

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

blade (erect), obovate to orbicular, 1.5–2.5 cm, (base evidently distinct from petiole), margins entire, (folded).

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

blade spatulate, margins entire.

congested.

compact, subumbellate.

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

petals narrowly oblanceolate, 9–12 mm, (claw undifferentiated from blade).

sepals (pale yellow), 4–5 mm;

petals lingulate, 6–7 mm.

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

(ascending, curved to slightly sigmoid), 5–8 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).

ovoid to ellipsoid, slightly inflated, (apex not compressed), 3–4 mm;

valves pubescent, trichomes erect on mature fruits, (± appearing fuzzy);

ovules 8 per ovary;

style 4–5 mm, (glabrous).

flattened.

plump.

= 8, 10, 16, 24.