Flora of North America species comparison

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

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

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

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

(sessile);

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

blade linear-oblanceolate, similar to basal.

dense, (exceeding basal leaves).

dense (distally, subumbellate).

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

petals lingulate to spatulate, 4–7 mm.

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

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

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

valves pubescent;

replum ovate to obovate;

ovules 4–6 per ovary;

style 2–3 mm.

flattened.

plump.

= 16, ca. 20.

= 10.