Flora of North America species comparison

unbranched or branched, (few, glaucous), 6–15(–18) dm.

unbranched or branched distally, 0.2–2 dm.

often rosulate; petiolate;

blade (fleshy), oblanceolate to obovate, 3.5–21 cm, margins dentate, (bristly ciliate throughout or only teeth and petiole ciliate).

(soon withered);

not rosulate; shortly petiolate;

blade (fleshy), broadly obovate to suborbicular, 1.5–4 cm, margins coarsely dentate.

blade lanceolate to narrowly ovate, 3.5–11(–15) cm × 6–14 mm (smaller distally), base auriculate to amplexicaul, margins usually entire or undulate, rarely dentate.

blade ovate to oblong, 0.5–1.8 cm × 1–7 mm, (much smaller distally), base auriculate to amplexicaul, margins entire.

ebracteate, (with densely clustered buds, later lax).

ebracteate, (lax, sometimes secund).

calyx campanulate;

sepals (suberect), purple, (broadly ovate or oblong), 7–10 mm, not keeled, (apically bristly or not);

petals light purple (with pale yellow claw), 9–12 mm, blade 2–3.5 × 0.5–1 mm, margins not crisped, claw 6–9 mm, wider than blade;

stamens tetradynamous;

filaments: median pairs (distinct), 6–8 mm, lateral pair 4–6 mm;

anthers (all) fertile, 3–4 mm;

gynophore 0.5–1.5 mm.

calyx urceolate;

sepals (erect), green, (ovate-lanceolate), 5–7 mm, keeled, (apex recurved);

petals white, 6.5–8 mm, blade 1.5–2 × ca. 1.5 mm, margins not crisped, claw 5–6 mm, about as wide as blade;

stamens in 3 unequal pairs;

filaments: abaxial pair (connate 1/2 their length), 3–4 mm, lateral pair 1.5–2.5 mm, adaxial pair (connate their whole length, usually recurved), 6–8 mm;

anthers: abaxial and lateral pairs fertile, 1.5–2 mm, adaxial pairs sterile, ca. 0.7 mm;

gynophore 0.2–0.5 mm.

divaricate-ascending, (straight), 5–18 mm.

divaricate-ascending, (straight), 1–2 mm.

spreading to ascending, smooth, slightly curved to straight, flattened, 6–14 cm × 2–3.5 mm;

valves each with obscure midvein;

replum straight;

ovules 50–102 per ovary;

style 1–3 mm;

stigma 2-lobed.

divaricate-ascending, torulose, straight, flattened, 3–5 cm × 1.5–2 mm;

valves each with obscure midvein;

replum constricted between seeds;

ovules 16–20 per ovary;

style 0.1–0.2 mm;

stigma entire.

oblong, 2–3 × 1.4–2 mm;

wing 0.1–0.2 mm wide at apex.

oblong, 1.6–2 × 1–1.2 mm;

wing 0.1–0.2 mm wide, distal.