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, decumbent, 0.5–1(–2) dm, (rather stout, sparsely pubescent).

(petiole slender);

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

blade elliptic to suborbicular, 1.5–3.5(–5.5) cm, margins entire or shallowly dentate (at base, surfaces densely pubescent, silvery).

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

(petiolate or distal nearly sessile);

blade elliptic to obovate, 0.5–1.5 cm, margins entire.

congested.

dense, congested, (few-flowered).

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

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

sepals lanceolate, oblanceolate, or narrowly elliptic, 3.8–5 mm, (median pair thickened apically, cucullate);

petals narrowly lanceolate to linear, 6–10(–13) mm.

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

(spreading or recurved, sometimes loosely sigmoid), 2–6.5 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).

(sessile or substipitate), broadly obcordate, obdeltate, or obcompressed, slightly compressed (angustiseptate), 3–5(–7) mm;

valves (not retaining seeds after dehiscence), sparsely pubescent or glabrous, trichomes appressed;

replum as wide as or wider than fruit;

ovules 8–16 per ovary;

style (1.8–)3–6(–7) mm.

flattened.

slightly flattened, (ellipsoid to suborbicular).

= 8, 10, 16, 24.