Flora of North America species comparison

several from base, prostrate to decumbent, (usually unbranched, rarely branched distally), 1–3 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.

(tufted);

blade broadly obovate, 1–2 cm, margins entire or with 1 or 2 broad teeth, (apex rounded to 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 nearly oblong, similar to basal, (base cuneate), margins entire.

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

(secund), loose, (elongated in fruit).

dense.

sepals (yellowish), elliptic to lanceolate, (2–)3–4 mm;

petals spatulate, (3.9–)5–7 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).

(recurved), 6–8(–12) mm.

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

(usually pendent), elliptic to subglobose, usually slightly compressed (latiseptate), 3–4 mm;

valves densely pubescent, sometimes with scattered trichomes inside;

ovules 4 per ovary;

style ca. 3 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).

somewhat flattened.

slightly flattened.