Flora of North America species comparison

unbranched or divaricately branched basally, 0.4–3.5(–4.5) dm.

(soon withered);

not rosulate;

subsessile or shortly petiolate;

blade orbicular, similar to cauline, margins with blunt teeth.

blade (succulent), orbicular or orbicular-ovate, 1.3–9 cm × 10–75 mm (smaller distally), base auriculate-cordate, strongly overlapping, margins entire or shallowly dentate.

ebracteate, (dense).

calyx urceolate;

sepals greenish yellow, (ovate), 5–7 mm, keeled, (apex reflexed, glabrous or pilose);

petals ochroleucous (with brownish purple veins), 7–10 mm, blade 2–3 × 1–1.5 mm, margins crisped, claw 5–7 mm, wider than blade, (apex recurved);

stamens in 3 unequal pairs;

filaments: abaxial pair (connate to middle), 5–6 mm, lateral pair 3–4 mm, adaxial pair (connate to apex), 8–10 mm;

anthers: abaxial and lateral pairs fertile, 1.8–2.5 mm, adaxial pair sterile, 0.7–1 mm;

gynophore 0.5–1 mm.

divaricate-ascending, (straight), 1.5–4 mm.

divaricate-ascending, usually smooth, rarely slightly torulose, strongly falcate, slightly flattened, 3–9 cm × 1–1.2 mm;

valves each with obscure midvein;

replum straight;

ovules 30–50 per ovary;

style 0.5–1 mm;

stigma entire.

oblong, 1–1.5 × 0.7–1 mm;

wing 0–0.1 mm wide, distal.

= 28.