Flora of North America species comparison

simple from base, decumbent to nearly prostrate, 0.5–1.3 dm.

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

(strongly rosulate; shortly petiolate);

blade broadly obovate, 1.5–7.5 (width 7.5–26 mm, base gradually tapering to petiole), margins shallowly dentate, (apex obtuse).

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

blade oblanceolate to broadly obovate, 1–2.5 cm, margins entire.

(proximal shortly petiolate, distal usually sessile);

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

dense.

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

sepals (pale yellow or yellow-green), narrowly lanceolate to narrowly deltate, 4–8 mm;

petals yellow, broadly spatulate to obovate, 9–13 mm, (not clawed).

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).

(divaricate-ascending to widely spreading, slightly sigmoid to curved), 7–12 mm.

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

didymous, slightly flattened (contrary to replum) to uncompressed, 4–9 × 2–8 mm, (strongly coriaceous, apical and basal sinuses narrow, deep);

valves (retaining seeds after dehiscence), pubescent, trichomes appressed;

replum narrowly oblanceolate to narrowly linear-oblong, as wide as or wider than fruit, apex obtuse;

ovules 4 per ovary;

style more than 3 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.

compressed.

flattened.

= 8.