Flora of North America species comparison

unbranched or branched distally, (0.8–)2–8(–10) dm.

unbranched or branched basally, 0.3–1.7(–2.8) dm.

(soon withered); rosulate; petiolate;

blade 1- or 2-pinnatifid (with broadly linear to filiform lobes), 2–20 cm, margins sinuate-dentate.

(soon withered);

not rosulate; shortly petiolate;

blade (succulent, mottled), obovate to oblanceolate, 0.5–2 cm, margins coarsely dentate.

blade linear, 1–10 cm × 1–3 mm, (smaller distally), base auriculate, margins entire.

blade lanceolate, 0.5–2.5 cm × 1–7 mm (smaller distally), base auriculate, margins entire or dentate (entire distally).

ebracteate, (lax).

ebracteate (lax, sometimes secund).

(markedly zygomorphic);

calyx urceolate;

sepals greenish yellow or purplish, (abaxial broadly ovate, not keeled, 4–6 × 3–4 mm, lateral ovate-lanceolate, keeled, 4–6 × 1.5–2 mm, adaxial suborbicular to broadly ovate-cordate, forming a bannerlike hood, keeled, 4–6 × 6–8 mm);

petals white (with brownish veins), 5–8 mm, blade 1–3 × 0.7–1.2 mm, margins crisped (channeled), claw 4–5 mm, wider than blade;

stamens in 3 unequal pairs;

filaments: abaxial pair (distinct), 4–5 mm, lateral pair 3–4 mm, adaxial pair (connate), 5–6 mm;

anthers: abaxial and lateral pairs fertile, 1.5–2 mm, adaxial pairs sterile, 0.3–0.7 mm;

gynophore 0.1–0.4 mm.

calyx urceolate;

sepals (erect) reddish purple, (ovate), 3–5 mm, keeled, (apex spreading);

petals whitish (abaxial pair with purplish veins, adaxial pair purple), 5–8 mm, blade 2–3 × 1–1.5 mm, margins not crisped, claw 3–4 mm;

stamens in 3 unequal pairs;

filaments: abaxial pair (connate to middle), 3–4 mm, lateral pair 1.5–2.5 mm, adaxial pair (completely connate, not recurved), 5–6 mm;

anthers: abaxial and lateral pairs fertile, 1.4–1.7 mm, adaxial pairs sterile, 0.3–0.5 mm;

gynophore 0.3–0.7 mm.

strongly recurved, 2–5 mm.

divaricate-ascending, 1–2.5(–4) mm.

pendent, smooth, straight, flattened, 2.4–5.6 cm × 1.2–1.7 mm;

valves each with obscure or somewhat prominent midvein;

replum straight;

ovules (10–)18–50 per ovary;

style 0.8–2 mm;

stigma entire.

divaricate-ascending, slightly torulose, straight to slightly curved, slightly flattened, 1.3–3 cm × 1–1.5 mm;

valves each with obscure midvein;

replum straight;

ovules 12–22 per ovary;

style 0.2–0.8 mm;

stigma entire.

oblong, 1.7–2 × 0.9–1.1 mm;

wing 0.2–0.3 mm wide, distal.

oblong, 1.3–2 × 0.8–1.2 mm;

wing 0.1–0.3 mm wide distally, (narrower at margin, rarely absent).

= 28.

= 28.