Flora of North America species comparison

simple from base, erect, (unbranched, sparsely leaved), to 7 dm.

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

blade elliptic or obovate to oblong, 4–15 cm, margins entire, dentate, or lyrate-pinnatifid.

usually absent.

(proximal often narrowed to short petiole, distal sessile);

blade broadly elliptic to obovate or rhombic, 0.5–3(–5) cm, margins entire.

(petiole not differentiated from blade);

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

dense or slightly elongated.

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

sepals elliptic to ovate, 3.5–6(–7) mm, (median pair usually thickened apically, cucullate);

petals (white, often purple-veined, fading purplish), suborbicular to obovate, obdeltate, or cuneate, 4.5–10(–12) mm, (often narrowed to broad claw, apex emarginate, less frequently claw undifferentiated from blade).

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).

(spreading or recurved, loosely sigmoid), 5–25 mm.

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

(pendent or horizontal, sessile or substipitate), subglobose to broadly ellipsoid, not or slightly inflated, (4–)5–8 mm;

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

replum as wide as or wider than fruit;

ovules 4–8(–12) per ovary;

style 1–3(–4) 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.

flattened.

plump or slightly flattened, (strongly mucilaginous).

= 18, 36.