Flora of North America species comparison

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

simple or few to several from base, erect, (often distal 1/2 branched), to 6 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).

blade oblanceolate, to 9 cm, margins entire, dentate, or sinuate to lyrate-pinnatifid.

(2–4);

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

(proximal shortly petiolate, distal sessile);

blade narrowly elliptic to linear, 2–4(–6) cm, margins entire or repand to shallowly dentate.

condensed.

loose.

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 elliptic or elongate-ovate, 3.4–5.2(–6.5) mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals obovate or deltate, 5–10 mm, (sometimes with short claw, margins undulate).

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

(divaricate-ascending to widely spreading, straight), 8–20 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).

globose or subglobose, sometimes slightly compressed, 3–6 mm;

valves (not retaining seeds after dehiscence), densely papillose, densely pubescent inside, trichomes raised;

replum as wide as or wider than fruit;

ovules 8–18 per ovary;

style 1.5–3.5 mm.

plump.

flattened.

= 12.