Flora of North America species comparison

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

unbranched or branched distally, 2.8–13 dm.

(soon withered); rosulate; petiolate;

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

not seen.

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

(shortly petiolate or sessile);

blade usually linear to linear-lanceolate, rarely oblanceolate, 2.5–16 cm × 2–7(–20) mm, (smaller distally), base not auriculate, margins entire.

ebracteate, (lax).

ebracteate.

(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.

(slightly zygomorphic, horizontal to pendent);

calyx campanulate;

sepals purple, lanceolate, 7–11 mm, not keeled;

petals deep purple to magenta or whitish (with purple veins), 13–20 mm, blade 7–12 × 1–4 mm, margins not crisped, claw 5–12 mm, (strongly recurved);

stamens in 3 unequal pairs;

filaments: abaxial pair (connate less than 1/2 their length), 8–14 mm, lateral pair 4–7 mm, adaxial pair (connate ca. 3/4 their length), 7–10 mm;

anthers: abaxial and lateral pairs fertile, 2–3 mm, adaxial pairs sterile, 1–1.5 mm;

gynophore 0.3–3 mm.

strongly recurved, 2–5 mm.

divaricate-ascending, (straight), 3–10 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, smooth, straight or slightly curved inwards, flattened, 3.7–11.2 cm × 1.5–2 mm;

valves each with prominent midvein;

replum straight;

ovules 90–120 per ovary;

style 0.3–1.5 mm;

stigma subentire.

oblong, 1.7–2 × 0.9–1.1 mm;

wing 0.2–0.3 mm wide, distal.

broadly ovoid, 1.5–1.8 × 1–1.3 mm;

wing 0.1–0.25 mm, continuous.

= 28.