Flora of North America species comparison

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

several from base, decumbent, (arising laterally, unbranched), 1–3 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).

(numerous); (petiole slender, rarely with a few broad teeth);

blade obovate, 3–7 cm, margins entire.

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

blade oblanceolate, 1.5–3 cm, margins entire.

loose, (elongated in fruit).

loose.

sepals linear-oblong, 4–7.5 mm;

petals spatulate, 6–11 mm.

sepals oblong, 5–7 mm;

petals (yellow to purplish), spatulate, 8–12 mm.

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

(ascending or spreading, slightly curved or sigmoid), 1–2 cm.

(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.

obcordate, angustiseptate, somewhat inflated, (not bladdery), 5–7 × 6–9 mm, (papery, basal sinus absent, apical sinus broad and open);

valves (retaining seeds after dehiscence), loosely pubescent, trichomes spreading;

replum ovate, 5–7 mm, as wide as or wider than fruit, apex acute or obtuse;

ovules 4–6 per ovary;

style 5–7 mm.

(dark brown), flattened, (2–3 mm).

= 10, 16, 24.