Flora of North America species comparison

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

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

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

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

subcorymbose.

loose, (elongated in fruit).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

sepals linear-oblong, 4–7.5 mm;

petals spatulate, 6–11 mm.

(divaricate, straight), 5–10 mm.

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

(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, (2–3 mm).

(dark brown), flattened, (2–3 mm).

= 48–52, 52, 64, 67–70.

= 10, 16, 24.