Flora of North America species comparison

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

few to several from base, ascending (in flower) to nearly prostrate (in fruit), (unbranched), 1–2.5 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).

(petiole 1–3.5 cm);

blade ovate to rhombic or rotund, 2–7 cm, (base narrowed abruptly to petiole), margins usually entire, occasionally shallowly repand, (flat).

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

blade elliptic or narrowly so, (0.7–)1–2.5 cm, (base narrowed gradually to petiole), margins entire.

loose, (elongated in fruit).

dense, (elongated in fruit).

sepals linear-oblong, 4–7.5 mm;

petals spatulate, 6–11 mm.

sepals (lavender under grayish trichomes), elliptic, 4–6 mm;

petals (white, pale yellow basally, often tinged lavender abaxially), narrowly spatulate, 6–10 mm, (claw undifferentiated from blade).

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

(ascending, curved to slightly sigmoid), (4–)6–12 mm, (stout).

(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.

subglobose to ovoid, slightly compressed, 5–7 mm;

valves densely pubescent, trichomes spreading;

ovules 8–12 per ovary;

style 4–6 mm.

(dark brown), flattened, (2–3 mm).

flattened, (faintly margined).

= 10, 16, 24.