Flora of North America species comparison

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

few from base, decumbent, (arising laterally proximal to current season’s leaves), 0.3–0.8 dm.

(petiole slender);

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

(petiole slender);

blade broadly obovate, or deltate to ovate or narrower, 1.5–3.5 cm, (base abruptly to gradually narrowed to petiole), margins entire or obscurely few-toothed, (apex usually obtuse, nearly acute in narrower leaves).

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

(2–5 per stem);

blade oblanceolate to spatulate, similar to basal, margins entire, (apex acute).

subcorymbose.

loose, (3–6-flowered).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

sepals narrowly oblong to linear, 7–9 mm;

petals (erect), spatulate, 10–12(–15) mm.

(divaricate, straight), 5–10 mm.

(widely spreading to ascending, slightly curved or straight), 7–11 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.

(usually purplish in age), didymous, irregular and somewhat angular, not highly inflated, 4–11 × 10–13 mm, (coriaceous, papery, shallowly grooved distally and on sides, tapered and narrowed toward replum, base obtuse to truncate, apex with broad sinus to nearly truncate);

valves (retaining seeds after dehiscence), densely pubescent, not silvery;

replum elliptic to obovate, as wide as or wider than fruit, base rounded, margins sparsely pubescent or glabrous, apex rounded (with funicles);

ovules 4 per ovary;

style 5–7 mm, (glabrous).

flattened, (2–3 mm).

flattened.

= 48–52, 52, 64, 67–70.