Flora of North America species comparison

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

several from base, erect or outer usually decumbent toward base, (from below a terminal tuft of mostly erect leaves, unbranched), 1–2 dm.

(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 ovate to elliptic, 2–4 cm, (base gradually narrowed to petiole), margins entire, (surfaces densely pubescent with trichome layers).

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

(remote, proximal shortly petiolate);

blade spatulate to oblanceolate, similar to basal, (base often cuneate), margins entire.

loose, (elongated in fruit).

elongated.

sepals linear-oblong, 4–7.5 mm;

petals spatulate, 6–11 mm.

sepals linear-oblong, 5–7 mm, (lateral pair subsaccate);

petals (erect), lingulate, 8–10 mm, (claw barely differentiated from blade).

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

(recurved), 7–10 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.

(usually pendent, sessile), subglobose, slightly flattened (angustiseptate), 4–5 mm;

valves densely pubescent, trichomes somewhat spreading;

ovules 8–12 per ovary;

style 4–5 mm.

(dark brown), flattened, (2–3 mm).

plump, (mucilaginous when wetted).

= 10, 16, 24.