Flora of North America species comparison

simple from base, prostrate, (arising lateral to rosette), 0.1–0.5 dm.

few to several from base, ± erect, (arising laterally, also from within basal leaves), 0.2–0.4 dm.

blade suborbicular, (1–)2.5(–3) cm, (base abruptly narrowed to petiole), margins entire, (flat), (surfaces densely silvery pubescent, trichomes in multiple layers, appressed).

(erect);

blade linear-oblanceolate, 1.2–2.8 cm, (base gradually narrowed to petiole), margins entire.

(2–4);

blade oblanceolate, ca. 1 cm, (base cuneate), margins entire, (apex acute).

blade linear, similar to basal.

condensed.

dense, (often subumbellate, not or barely exceeding basal leaves).

sepals (erect, purplish to greenish), linear-oblong or boat-shaped, 5.5–6.5 mm, (lateral pair more saccate than median);

petals (white), spatulate, 9–12 mm, (claw undifferentiated from blade).

sepals (pale green-yellow), oblong to elliptic, 4–5 mm, (median pair usually thickened apically, cucullate);

petals lingulate, 6–9 mm.

(divaricate-ascending, nearly straight), 6–10 mm.

(ascending, curved), 3–5.5 mm.

strongly didymous, irregular in shape and size, (base slightly cordate, apex with a deep closed sinus), strongly to somewhat inflated, 6–8 × 6–8 mm (± bladderlike, papery);

valves (retaining seeds after dehiscence), pubescent;

replum elliptic to obovate, not constricted, as wide as or wider than fruit, apex obtuse;

ovules 4–8 per ovary;

style 4–5 mm, (sparsely pubescent or glabrous).

lanceolate in outline, compressed (latiseptate) on margins and at apex, 4–5 mm;

valves pubescent, trichomes closely appressed;

ovules 8–12 per ovary;

style 3.5–4.5 mm (equaling or exceeding length of fruit, curved proximal to stigma).

plump.

plump, (oblong).