Flora of North America species comparison

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

several from base, usually somewhat decumbent, (unbranched), (0.4–)0.5–2 dm.

(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).

(petiole slender, often narrowly winged);

blade obovate to orbicular or rhombic-orbicular, 2–9 cm, (base abruptly narrowed to petiole), margins usually entire, rarely with few scattered teeth, (apex rounded or obtuse, sometimes with apical mucro).

(2–5 per stem);

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

blade spatulate to oblanceolate, 1–3 cm, margins entire, (apex usually obtuse).

loose, (3–6-flowered).

loose, (elongated in fruit).

sepals narrowly oblong to linear, 7–9 mm;

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

sepals linear-oblong, 4–7.5 mm;

petals spatulate, 6–11 mm.

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

(divaricate, slightly sigmoid or nearly straight), 6–12 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).

(erect), didymous, suborbicular, inflated, (4–)6–15 × (4–)8–20 mm, (papery, basal and apical sinuses similar, basal rarely shallower, apical deep, narrow and closed or nearly so);

valves retaining seeds after dehiscence, pubescent, trichomes appressed;

replum oblong, constricted, 2–3.5 mm, narrower than fruit, apex obtuse;

ovules (2 or) 4 per ovary;

style 4–6(–9) mm.

flattened.

(dark brown), flattened, (2–3 mm).

= 10, 16, 24.