Flora of North America species comparison

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

several from base, decumbent to erect or ascending (unbranched), 1–2.5 dm.

(petiole slender);

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

(outer ones spreading, inner erect or ascending);

blade ovate, often broadly so, 4–7 cm, margins repand to lyrate-lobed.

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

similar to basal, blade oblanceolate or narrowly oblong, reduced in size, (base gibbous).

congested.

loose, (elongated).

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

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

sepals lanceolate or narrowly oblong, 5.8–7.2 mm;

petals (erect, sometime purplish or drying purple), narrowly oblong to oblanceolate, 7–10 mm, (not or weakly clawed).

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

(ascending to divaricate-ascending, sigmoid to nearly straight), 10–17 mm.

(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).

didymous, globose or subglobose, inflated, 10–13 mm, (papery, basal and apical sinuses deep);

valves (retaining seeds after dehiscence), pubescent, trichomes ascending, appearing fuzzy;

replum oblong to oblanceolate, as wide as or wider than fruit, apex obtuse;

ovules 4 per ovary;

style (4–)5–7 mm.

flattened.

plump, (suborbicular).

= 8, 10, 16, 24.