Flora of North America species comparison

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

several from base, erect (and stout) or outer ones decumbent, (unbranched or branched, stiff and densely foliate, sterile leaf-bearing branches sometimes present), to 4 dm.

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

blade obovate or elliptic, to ca. 3 cm, margins sinuate or shallowly dentate.

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

(proximal usually shortly petiolate, distal sessile);

blade obovate to broadly elliptic, 1–3 cm, margins sinuate or shallowly toothed.

congested, (elongated in fruit).

dense, compact, (elongated in fruit).

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

sepals elliptic or narrowly elliptic or oblong, (3.8–)4.5–5.5 mm, (lateral pair cucullate, very convex, median pair tapering to base, thickened apically, cucullate, often slightly keeled);

petals cuneate, 6.5–8 mm, (slightly expanded at base, margins sinuate, apex retuse or entire).

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

(recurved, curved or sigmoid), somewhat expanded apically.

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.

(sessile or substipitate), oblong or broadly elliptic, compressed (latiseptate), 5–8 mm;

valves pubescent, trichomes spreading, sparsely pubescent inside;

ovules 4–6 per ovary;

style 3–5 mm.

flattened.

flattened.

= 8, 16.