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, prostrate to decumbent, (unbranched, from within and below leaf clusters, slender), 0.2–0.8 dm.

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

(tufted, erect or ascending, silvery);

blade linear to oblanceolate or (outer) oblanceolate to obovate or rhombic, 1.5–3.3 cm, (base sometimes subhastate), margins entire or dentate, (often involute).

(sessile);

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

blade nearly linear, to 1.5 cm, margins entire.

dense, (exceeding basal leaves).

dense, (subcorymbose).

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 (yellow-green), lanceolate, (2.5–)3.5–4.5 mm;

petals spatulate to oblanceolate, 4–6.5 mm.

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

(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.

(usually pendent), obdeltate, compressed (angustiseptate), 2–4 mm, (wider than long, base tapered to acute angle, apex truncate with inflated shoulders);

valves densely pubescent; (septum obsolete or with a narrow fringe inside of replum, funicles attached close to replum apex);

ovules 4 per ovary;

style 2–4 mm, (slender).

flattened.

plump, (mucilaginous when wetted).

= 16, ca. 20.