Flora of North America species comparison

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

unbranched or branched distally, 2–10 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); rosulate; petiolate;

blade 2-pinnatifid or 2-pinnatisect, 3.5–15 cm.

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 lanceolate, 3–16 cm × 10–40 mm, (smaller distally), base amplexicaul, margins dentate or entire (entire distally).

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

bracteate below or between proximalmost 1 or 2 flowers.

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 violet-purple, 6–10 mm, slightly keeled or not, (apex recurved);

petals white (with violet veins), 8–11 mm, blade 3–4 × 1.5–2 mm, margins not crisped, (undulate), claw 6–8 mm, about as wide as blade, (apex reflexed);

stamens in 3 unequal pairs;

filaments (distinct): abaxial pair 4–6 mm, lateral pair 3–4 mm, adaxial pair 7–9 mm;

anthers: abaxial and lateral pairs fertile, 3.5–5 mm, adaxial pair partially fertile, 2.5–3 mm;

gynophore 1–2 mm.

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

divaricate-ascending, (straight), 4–15 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.

ascending, smooth, straight or slightly curved, flattened, 6–12 cm × 1.7–2.5 mm;

valves each with prominent midvein;

replum straight;

ovules 60–100 per ovary;

style 0.1–1 mm;

stigma slightly 2-lobed.

oblong, 2–3 × 1.4–2 mm;

wing 0.1–0.2 mm wide at apex.

broadly ovoid to suborbicular, 2–2.5 × 1.5–2 mm;

wing 0.1–0.3 mm wide, distal 1/2.

= 28.