Flora of North America species comparison

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

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

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

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

blade obovate, 3–7 cm, margins entire.

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

blade oblanceolate, 1.5–3 cm, margins entire.

subcorymbose.

loose.

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

sepals oblong, 5–7 mm;

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

(divaricate, straight), 5–10 mm.

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

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.

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.

flattened, (2–3 mm).

= 48–52, 52, 64, 67–70.