Flora of North America species comparison

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

simple from base, erect or outer ones slightly decumbent toward base, (from below or in basal leaves, unbranched), (0.5–)0.8–1.6(–2) dm.

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

(erect, petiole long, slender);

blade spatulate to broadly oblanceolate, (3–)5–7(–12) cm, (base gradually tapering to petiole), margins entire, (apex rounded or obtuse).

(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).

blade oblanceolate, similar to basal, (base cuneate), margins entire.

loose to somewhat dense.

dense.

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 (erect), linear to linear-oblong, somewhat boat-shaped, 7–10 mm;

petals (erect at anthesis), lingulate, 11–15 mm, (claw undifferentiated from blade).

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

(divaricate-ascending, straight or slightly curved), 10–15 mm.

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.

(purplish in age), strongly didymous, semiorbicular, highly inflated, 10–18 × 14–19 mm, (papery), basal sinus usually shallow, rarely absent, apical sinus deep, narrowly V-shaped;

valves retaining seeds after dehiscence, sides flat, back rounded, margins keeled, base and apex obtuse;

replum narrowly oblong to linear, as wide as or wider than fruit, base slightly narrowed, apex obtusely rounded;

ovules 4 per ovary;

style 3–5 mm, (slender).

flattened.

slightly flattened.

= 12, 14, 24.