Flora of North America species comparison

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

several from base, decumbent to ascending, (unbranched), 0.5–1.5 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).

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

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

blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.

dense.

subcorymbose.

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 oblong, 8–10 mm;

petals spatulate, 12–14 mm.

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

(divaricate, straight), 5–10 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.

didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);

valves (retaining seeds after dehiscence), evenly pubescent;

replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;

ovules 8–10 per ovary;

style 5–7 mm.

compressed.

flattened, (2–3 mm).

= 8.

= 48–52, 52, 64, 67–70.