Flora of North America species comparison

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

several from base, erect or outer usually decumbent toward base, (from below a terminal tuft of mostly erect leaves, unbranched), 1–2 dm.

(petiole slender);

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

blade ovate to elliptic, 2–4 cm, (base gradually narrowed to petiole), margins entire, (surfaces densely pubescent with trichome layers).

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

(remote, proximal shortly petiolate);

blade spatulate to oblanceolate, similar to basal, (base often cuneate), margins entire.

congested.

elongated.

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

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

sepals linear-oblong, 5–7 mm, (lateral pair subsaccate);

petals (erect), lingulate, 8–10 mm, (claw barely differentiated from blade).

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

(recurved), 7–10 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).

(usually pendent, sessile), subglobose, slightly flattened (angustiseptate), 4–5 mm;

valves densely pubescent, trichomes somewhat spreading;

ovules 8–12 per ovary;

style 4–5 mm.

flattened.

plump, (mucilaginous when wetted).

= 8, 10, 16, 24.