Flora of North America species comparison

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

simple or several from base, spreading, (unbranched, sparsely pubescent), to 1.5 dm.

(petiole slender);

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

blade narrowly elliptic or obovate, 1–3(–4) cm, margins entire or nearly so.

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

(sessile or shortly petiolate);

blade narrowly obovate or oblanceolate, 0.4–1.2 cm, margins entire.

congested.

loose, (few-flowered).

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

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

sepals linear, lanceolate, or elliptic, 3.5–6.5 mm, (median pair thickened apically, cucullate);

petals oblanceolate, 5.5–9(–10) mm.

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

(spreading, straight or slightly curved), 4–7 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).

globose or subglobose, not or slightly compressed, 3.5–4.3 mm;

valves densely pubescent, trichomes spreading, 3–6-rayed, (appearing shaggy);

ovules 4–8 per ovary;

style 4.5–7 mm.

flattened.

slightly flattened, (suborbicular).

= 8, 10, 16, 24.