Flora of North America species comparison

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

simple or few to several from base, usually erect to spreading, sometimes prostrate, 0.5–2 dm.

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

blade obovate, 3–7 cm, margins entire.

blade oblanceolate, 2–3 cm, margins entire.

blade oblanceolate, 1.5–3 cm, margins entire.

(sessile or proximal shortly petiolate);

blade narrowly oblanceolate, 0.5–1.5 cm, margins entire.

loose.

loose.

sepals oblong, 5–7 mm;

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

sepals ovate to elliptic, (3–)4–5(–6) mm, (median pair often thickened apically, cucullate);

petals obovate, (6–)7–10 mm (nearly as wide, abruptly narrowed to claw, ca. 1 mm wide).

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

(erect to divaricate or ascending, sometimes curved), (5–)10–20(–40) mm, (stout).

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.

subglobose to ellipsoid, compressed (usually angustiseptate), to 8 mm; (valves not retaining seeds after dehiscence);

replum as wide as or wider than fruit;

ovules 10–14 per ovary;

style 1–2 mm.

plump.

= 20.