Flora of North America species comparison

several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.

simple from base, erect, (usually unbranched), to 4.5 dm.

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

blade suborbicular to elliptic, 2–9.5(–11.5) cm, margins entire, sinuate, coarsely dentate, or almost lyrate-pinnatifid.

blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.

similar to basal, blade narrowly linear or, sometimes, orbicular.

subcorymbose.

loose (lax).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

sepals elliptic or ovate, (2–)3.5–7.5 mm, (cucullate);

petals 6–11 mm.

(divaricate, straight), 5–10 mm.

(recurved, straight, curved, or sigmoid), 6–20 mm.

didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);

valves (retaining seeds after dehiscence), evenly pubescent;

replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;

ovules 8–10 per ovary;

style 5–7 mm.

obovoid to subglobose, not inflated (not angustiseptate), 3–6 mm;

valves sparsely pubescent, sometimes glabrous inside, trichomes sessile or stalked;

ovules 4(–8) per ovary;

style (1.6–)3–6 mm.

flattened, (2–3 mm).

flattened.

= 48–52, 52, 64, 67–70.

= 10, 30.