Flora of North America species comparison

several from base, erect or laterally decumbent, (usually unbranched), (0.3–)0.5–2.5(–4) dm.

few or several from base, prostrate to decumbent, (unbranched or branched), 0.5–1.5 dm.

blade linear to somewhat elliptic, 1–4(–8) cm, margins entire or coarsely dentate.

blades orbicular to broadly obovate, 1.5–3 cm, margins usually entire, rarely remotely dentate.

(shortly petiolate);

blade usually linear to narrowly oblanceolate, rarely elliptic to rhombic, 0.5–2.5 cm, (base narrowing to petiole), margins entire or remotely dentate (sometimes involute).

(sessile or shortly petiolate);

blade elliptic to oblanceolate, 1–1.5(–2.5) cm, margins entire, (apex obtuse).

loose to somewhat dense.

dense, (elongated in fruit).

sepals elliptic to oblong, 5–8 mm, (lateral pair not saccate, median pair often thickened apically, ± cucullate);

petals (usually orange or orange-yellow at junction of blade and claw, sometimes also with orange guidelines), obdeltate to obovate, 8–12 mm, (claw relatively short).

sepals ovate or oblong-elliptic, 5–5.5 mm, (lateral pair not saccate);

petals cuneate or broadly obovate, ca. 7 mm, (sometimes slightly narrowed to a broad claw, apex sometimes retuse).

(divaricate-spreading to erect, usually straight or slightly curved, occasionally sigmoid), 8–20(–40) mm.

(sharply recurved), 5–10 mm, (stout).

globose, broadly ellipsoid, or ovoid, not or slightly inflated, 5–8 mm, (firm, apex usually acute);

valves (not retaining seeds after dehiscence, often reddish in age), glabrous throughout;

replum as wide as or wider than fruit;

ovules (12–)20–32(–40) per ovary;

style (2–)3–6 mm.

subglobose to broadly obovoid, strongly inflated (often slightly angustiseptate), 5–7 mm, (papery);

valves sparsely pubescent; (septum fenestrate, perforate, or obsolete);

ovules 4–8 per ovary;

style 2–3 mm.

flattened.

somewhat flattened.

= 12, 14, 24.