Flora of North America species comparison

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

few to several from base, erect, (unbranched, slender), 0.3–1.5(–3) 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).

(tufted, erect);

blade linear to very narrowly spatulate, 1–3(–4) cm, margins entire (involute).

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

similar to basal.

dense.

relatively dense.

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 (greenish yellow), elliptic, 3.5–7 mm;

petals spatulate, 5–6 mm, (not clawed).

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

(ascending, curved or sigmoid), 2–10 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.

(erect), ovoid (or longer than broad), usually inflated, 4–5 mm, (apex acute, slightly flattened);

valves pubescent, trichomes appressed;

ovules 4–8 per ovary;

style 2–4 mm.

compressed.

flattened, (mucilaginous).

= 8.

= 10, 20.