Flora of North America species comparison

few to several from base, erect or outer decumbent, 0.5–2.5 dm.

several from base, (slender), erect or outer decumbent, (usually branched, branches filiform, bud clusters of growing plants drooping), to 2.5 dm.

blade suborbicular to elliptic or ovate or deltate, 0.5–2(–6.5) cm, margins entire or shallowly dentate.

blade orbicular to broadly spatulate, 1–2.4 cm, margins entire or sinuate.

(proximal shortly petiolate, distal usually sessile);

blade narrowly elliptic or obovate, (0.5–)1–2.5(–4) cm, margins entire.

(proximal often petiolate, distal sessile);

similar to basal, blade spatulate to oblanceolate or (distal) linear, (base cuneate), margins entire or sinuate.

compact, (± subumbellate to densely corymbiform, elongated or not).

loose.

sepals ± elliptic, 4.5–7(–8.5) mm, (median pair thickened apically);

petals (sometimes white), suborbicular to obovate or obdeltate, 6.5–15 mm, (base narrowing to broad claw, apex sometimes emarginated).

sepals oblong or elliptic, 2.5–4.6 mm, (median pair slightly thickened apically);

petals (pale yellow), spatulate to obovate, 5–9 mm, (apex ± emarginate).

(usually spreading at right angles, sometimes nearly erect, ± straight), 5–15(–20) mm, (stout).

(usually divaricate-ascending, straight or slightly curved), 7–11 mm.

(sessile or shortly stipitate, less than 1 mm), subglobose to broadly ellipsoid, inflated or slightly compressed (terete or subterete), (4–)5–8(–9) mm;

valves (not retaining seeds after dehiscence), glabrous;

replum as wide as or wider than fruit;

ovules 8–16 per ovary;

style 4–8(–9) mm.

(sessile or shortly stipitate), globose, not inflated, 3–4 mm;

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

replum as wide as or wider than fruit;

ovules 4 per ovary;

style 3–5 mm.

flattened.

flattened.

= 14.