Flora of North America species comparison

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

simple or few to several from base, erect, (unbranched, slender), 0.2–1(–1.5) 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).

(densely tufted, not rosulate, reflexed in age);

blade obovate to oblanceolate, 0.7–2(–3) cm, margins usually entire, sometimes repand or shallowly dentate, (apex acute).

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

similar to basal, becoming narrower distally, somewhat reflexed, (distal) blade linear or narrowly oblanceolate, 0.5–2.5(–5.5) cm.

dense.

dense, often subcorymbiform.

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 (green or greenish yellow), ovate or broadly ovate, 3.5–6.5 mm, (lateral pair subsaccate, cucullate, median pair thickened, slightly cucullate apically);

petals (spreading), oblanceolate to obovate, 5.5–8(–10) mm, (claw erect).

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

(erect or divaricate-spreading, straight or slightly curved), (3–)5–10(–15) mm.

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 substipitate), suborbicular to ovoid or ellipsoid, slightly inflated, 4–7 mm;

valves pubescent outside, trichomes substipitate, spreading, sometimes sparsely pubescent inside, trichomes sessile, smooth;

ovules 4–10(–16) per ovary;

style (0.5–)1–2(–4) mm (shorter than fruit).

compressed.

flattened.

= 8.

= 10.