Flora of North America species comparison

several from base, erect or decumbent (arising laterally, unbranched), 0.5–1.5 mm.

several from base, erect to decumbent, (unbranched, fertile stems from among basal leaves), 1.2–1.8 dm.

(petiole slender);

blade obovate to orbicular, 3–6 cm (width 10–20 mm), margins entire or dentate.

(erect, not rosulate);

blade broadly oblanceolate, 4–8 cm, margins entire or shallowly sinuate-dentate, (apex acute).

blade spatulate, 1–2 cm (width 3–6 mm), margins entire, (apex often acute).

(proximal petiolate);

blade narrowly lanceolate, similar to basal in size, (distal with cuneate base), margins entire.

congested.

loose, (elongated in fruit).

sepals narrowly lanceolate, 5–8(–9) mm;

petals narrowly oblanceolate, 9–12 mm, (claw undifferentiated from blade).

sepals (greenish yellow), elliptic, often broadly so, 4.8–7.1 mm;

petals oblanceolate, 6.8–9.8 mm.

(divaricate, slightly sigmoid), 8–15 mm.

(widely spreading to recurved), 1–1.5 cm.

(often purplish in age), didymous, subreniform, strongly inflated, 9–18 × 11–21(–30) mm, (papery, base obtuse to slightly cordate, apical sinus V-shaped or convex, open crests rounded);

valves (2-keeled on side away from replum, each 3-sided, keels rounded, sides flat or slightly convex, retaining seeds after dehiscence), evenly and densely pubescent;

replum oblong, as wide as or wider than fruits, apex obtuse;

ovules 4–12 per ovary;

style (4–)6–8 mm (exceeding sinus).

(usually pendent), slightly didymous apically, obcordate, slightly inflated, 4–7 × 3–6 mm, (papery, basal sinus absent, apical sinus evident to nearly absent);

valves (retaining seeds after dehiscence), pubescent;

replum broadly obovate to suborbicular, 4–5 mm, as wide as or wider than fruit, margins entire;

ovules usually 4 (rarely 6–8) per ovary;

style (2.5–)3–4(–5) mm.

flattened.

plump.

= 8, 10, 16, 24.