Flora of North America species comparison

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

few to several from base, prostrate to erect or spreading, 0.05–0.5(–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).

(petiole and blade differentiated or not);

blade spatulate to elliptic or linear or narrowly oblanceolate, 0.5–1.5(–2.5) cm, margins entire.

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

similar to basal, smaller.

loose, (elongated in fruit).

dense.

sepals linear-oblong, 4–7.5 mm;

petals spatulate, 6–11 mm.

sepals narrowly lanceolate to lanceolate, 2.8–6 mm;

petals (pale to deep yellow), narrowly lanceolate to oblanceolate, 5–9 mm, (claw undifferentiated from blade).

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

(ascending, straight or slightly curved), 2–6 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.

(sessile or substipitate), globose or subglobose to obovoid, not or slightly inflated, 3–6 mm, (firm, apex acute);

valves (reddish in age, not retaining seeds after dehiscence), glabrous throughout;

replum as wide as or wider than fruit;

ovules 4–8 per ovary;

style 1.7–6 mm.

(dark brown), flattened, (2–3 mm).

flattened.

= 10, 16, 24.