Flora of North America species comparison

several from base, erect, (unbranched, slender), 0.1–0.6 dm.

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

blade rhombic to obovate, 2–4 cm, margins entire.

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

blade linear-oblanceolate, similar to basal.

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

dense (distally, subumbellate).

congested, (elongated in fruit).

sepals (yellowish), oblong to elliptic, 3.5–7 mm, (median pair usually thickened apically, cucullate);

petals lingulate to spatulate, 4–7 mm.

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

(divaricate-ascending), 3–5 mm, (densely pubescent).

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

(erect), ovate to suborbicular, compressed apically (latiseptate), 3–4 mm;

valves pubescent;

replum ovate to obovate;

ovules 4–6 per ovary;

style 2–3 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.

plump.

flattened.

= 10.

= 8, 16.