Flora of North America species comparison

several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.

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

(petiole slender);

blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).

(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).

blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.

blade nearly linear, to 1.5 cm, margins entire.

subcorymbose.

dense, (subcorymbose).

sepals oblong, 8–10 mm;

petals spatulate, 12–14 mm.

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

petals spatulate to oblanceolate, 4–6.5 mm.

(divaricate, straight), 5–10 mm.

(recurved), 5–8 mm.

didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);

valves (retaining seeds after dehiscence), evenly pubescent;

replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;

ovules 8–10 per ovary;

style 5–7 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, (2–3 mm).

plump, (mucilaginous when wetted).

= 48–52, 52, 64, 67–70.