Flora of North America species comparison

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

few to several from base, prostrate, (arising proximal to a terminal cluster of erect leaves, usually unbranched, slender), 0.5–1(–1.5) dm.

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

(petiole slender);

blade elliptic to rhombic, 1.5–4(–5) cm, (base gradually tapering to petiole), margins usually entire, rarely dentate.

(sessile);

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

blade narrowly obovate to oblanceolate, 5–15 mm, margins entire.

dense, (exceeding basal leaves).

(relatively short), rather loose.

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 ± elliptic, 4–6 mm;

petals ovate, 6–8 mm, (claw slightly expanded at base).

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

(usually secund, recurved), 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.

(pendent), globose, subglobose, or slightly obcompressed, slightly or not inflated, 3–6 mm, (rigid, apex usually beaked);

valves pubescent throughout;

ovules 8–12 per ovary;

style 1–2 mm, (pubescent).

flattened.

slightly flattened, (suborbicular).

= 16, ca. 20.