Flora of North America species comparison

several from base, erect or outer ones decumbent, (unbranched, stout, usually sparsely leaved), 1–3 dm.

simple from base, spreading or erect, (unbranched), ca. 1 dm.

blade linear, 2–7(–10) cm, margins entire, repand, or shallowly dentate.

(petiole long, slender);

blade elliptic to obovate, 3–4 cm, (base narrowing to petiole), margins entire.

(sessile);

blade (erect), spatulate to linear, (1–)2–3(–4.5) cm, margins entire, sometimes involute, (apex acute or subacute).

(shortly petiolate);

blade elliptic to obovate, 1–2 cm, margins entire.

dense, (exceeding basal leaves).

dense.

sepals ovate or oblong, (4.5–)5–6(–7) mm, (lateral pair subsaccate, cucullate, median pair thickened, cucullate apically);

petals spatulate, 7–9(–11) mm (widened at base, slightly retuse).

sepals narrowly elliptic or oblong, ca. 4.5 mm, (median pair thickened apically, cucullate);

petals narrowly spatulate, 7–8 mm.

(spreading, sharply sigmoid), 8–15 mm.

(sigmoid), 5–8 mm.

(sessile or substipitate), ovate to oblong, not compressed at distal margins or apex, 5–9 mm;

valves sparsely pubescent, trichomes appressed;

ovules 4–8 per ovary;

style 3–5 mm.

(erect, substipitate), globose, ellipsoid, or obovoid, not or slightly compressed, 3–4 mm;

valves sparsely pubescent, sometimes few trichomes inside;

ovules 10–12 per ovary;

style 3–5 mm.

flattened.

flattened.

= 16, ca. 20.