Flora of North America species comparison

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

simple or few from base, decumbent, (straggling and flexuous, usually branched distally), 4–8 dm.

(petiole slender);

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

blade narrowly elliptic to oblanceolate, 4–12 cm, margins entire, sinuate, or shallowly dentate, (apex acute).

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

(sessile or proximal shortly petiolate);

blade linear to narrowly elliptic, 3–4 cm, margins entire, sinuate, or remotely dentate, (apex acute).

subcorymbose.

loose, (sometimes greatly elongated).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

sepals elliptic, 3.5–4 mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals broadly obovate, 4–5 mm, (sometimes with short, broad claw).

(divaricate, straight), 5–10 mm.

(recurved), 15–20(–25) 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.

(pendent), subglobose or broadly ovoid, slightly compressed, 5–7 mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

ovules per ovary unknown;

style 1.5–2 mm.

flattened, (2–3 mm).

flattened.

= 48–52, 52, 64, 67–70.

= 16.