Flora of North America species comparison

several from base, usually decumbent to ascending, (arising laterally, unbranched, coarse), 1–2 dm.

simple from base, erect or outer ones slightly decumbent toward base, (from below or in basal leaves, unbranched), (0.5–)0.8–1.6(–2) dm.

blade pandurate or obovate, 3–6 cm, margins usually deeply and broadly incised, rarely subentire, (apex obtuse).

(erect, petiole long, slender);

blade spatulate to broadly oblanceolate, (3–)5–7(–12) cm, (base gradually tapering to petiole), margins entire, (apex rounded or obtuse).

blade oblanceolate to spatulate, similar to basal, (3–6 mm wide), margins entire, (apex often somewhat acute).

blade oblanceolate, similar to basal, (base cuneate), margins entire.

congested, (elongated in fruit).

dense.

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

sepals (erect), linear to linear-oblong, somewhat boat-shaped, 7–10 mm;

petals (erect at anthesis), lingulate, 11–15 mm, (claw undifferentiated from blade).

(usually curving upward, sigmoid), 6–10 mm.

(divaricate-ascending, straight or slightly curved), 10–15 mm.

didymous, irregular in shape, somewhat angular, inflated, 5–7 × 6–8 mm, (papery, often rigid, base obtuse or truncate, apical sinus broad, open and deep);

valves (retaining seeds after dehiscence), pubescent, trichomes spreading, loose;

replum oblong, often constricted, as wide as or wider than fruit, apex obtuse;

ovules 4 per ovary;

style 5–7 mm.

(purplish in age), strongly didymous, semiorbicular, highly inflated, 10–18 × 14–19 mm, (papery), basal sinus usually shallow, rarely absent, apical sinus deep, narrowly V-shaped;

valves retaining seeds after dehiscence, sides flat, back rounded, margins keeled, base and apex obtuse;

replum narrowly oblong to linear, as wide as or wider than fruit, base slightly narrowed, apex obtusely rounded;

ovules 4 per ovary;

style 3–5 mm, (slender).

flattened.

slightly flattened.

= 8, 16.