Flora of North America species comparison

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

several from base (crowded), erect, not exceeding leaves.

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

blade obovate, 3–7 cm, margins entire.

usually absent.

blade oblanceolate, 1.5–3 cm, margins entire.

(petiole not differentiated from blade);

blade linear-oblanceolate, 3–8(–13) mm, margins entire.

loose.

(secund), dense, corymbose, (few-flowered, not or barely exceeding leaves).

sepals oblong, 5–7 mm;

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

sepals (yellow-green), linear to narrowly triangular, 3.7–4.8 mm, (lateral pair subsaccate);

petals (deep yellow, slightly orange in center), spatulate, 5.2–6.5 mm, (claw joined at right angle).

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

(ascending to divaricate-ascending, straight), 3.5–6 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.

(becoming reddish or copper-colored in age), ovate, often slightly compressed (at margins apically), 3–5 mm, (apex acute);

valves (not retaining seeds after dehiscence), glabrous; (septum perforate or not);

ovules 4–8 per ovary;

style 1.8–3 mm.

plump or slightly flattened, (strongly mucilaginous).