Flora of North America species comparison

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

few to several from base, erect, (usually unbranched), (1.5–)2.5–4(–6) dm.

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

blade elliptic to obovate, 2–6.5 cm, margins entire, sinuate, or remotely toothed, (surfaces occasionally sparsely pubescent).

(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).

(proximal often petiolate, distal sessile or subsessile);

blade oblanceolate to linear, 1–4 cm, margins entire.

loose to somewhat dense.

dense, (subumbellate).

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 elliptic, 5.5–10 mm, (median pair thickened apically, cucullate);

petals (bright yellow), obovate to elliptic, 8–14 mm, (sometimes with distinct claw, often retuse).

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

(ascending), relatively short.

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.

(shortly stipitate), ± globose or ellipsoid, not or slightly inflated, 5–8 mm;

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

replum as wide as or wider than fruit;

ovules (8–)12–20 per ovary;

style 3.5–5 mm.

flattened.

flattened.

= 12, 14, 24.

= 12, 24, 36.