Flora of North America species comparison

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

branched, 2.2–12(–15) dm.

(soon withered);

not rosulate;

subsessile or shortly petiolate;

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

rosulate (in juvenile plants); petiolate (petioles usually glabrous, rarely ciliate);

blade obovate to spatulate, 3.5–10 cm, margins entire.

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.

blade broadly oblong to ovate or suborbicular, 2.5–10 cm × 10–35 mm, (smaller distally), base amplexicaul, margins entire.

ebracteate, (dense).

ebracteate, (lax).

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.

calyx subcampanulate;

sepals yellow-greenish proximally, purple distally, oblong, 6–8 mm, not keeled, (with subapical tuft of hairs);

petals purple or brownish (claw yellow-green), 8–12 mm, blade 1–3 × 0.5–0.8 mm, margins not crisped, claw 6–10 mm, wider than blade;

stamens in 3 unequal pairs;

filaments (distinct): abaxial pair 6–8 mm, lateral pair 4–6 mm, adaxial pair 7–10 mm;

anthers (all) fertile, 3.5–5 mm;

gynophore 0.3–1 mm.

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

divaricate-ascending, (straight), 5–10 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.

descending, smooth or slightly torulose, arcuate, flattened, 5–13(–15) cm × 2–2.5 mm;

valves each with prominent midvein;

replum straight;

ovules 50–82 per ovary;

style 1.5–3.5 mm;

stigma entire.

oblong, 1–1.5 × 0.7–1 mm;

wing 0–0.1 mm wide, distal.

oblong, 2.2–3 × 1.4–1.8 mm;

wing 0.1–0.4 mm wide, continuous.

= 28.