Flora of North America species comparison

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

several from base, decumbent to prostrate, (well-exserted beyond basal leaves), 0.2–0.5 dm.

(petiole slender);

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

(petiole differentiated from blade);

blade (slightly cupped, leathery, nearly 1 mm thick), oblanceolate to orbicular, 1.2–2 cm, margins entire, (apex acute).

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

blade spatulate, similar to basal.

congested.

dense, (subumbellate).

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

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

sepals (pale yellow), elliptic to oblong, 3.5–4.0 mm, (median pair somewhat thickened apically, cucullate);

petals lingulate, 5–6 mm.

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

(ascending, curved), 5–7 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 ellipsoid, slightly inflated (with slight apical constriction), 3–6 mm;

valves pubescent, trichomes closely appressed;

ovules 8 per ovary;

style 1–3 mm (shorter than mature fruit).

flattened.

plump, (oblong).

= 8, 10, 16, 24.