Flora of North America species comparison

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

unbranched or branched distally, 1.7–10.6 dm, (trichomes 0.05–0.5 mm).

(soon withered); rosulate; petiolate;

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

(soon withered); rosulate; petiolate;

blade similar to cauline.

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

blade broadly ovate to broadly oblong or lanceolate, 2–15 cm × 10–80 mm, (smaller distally), base amplexicaul, margins entire, (apex acute to acuminate or rounded).

ebracteate, (lax).

ebracteate, (dense or lax).

(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 campanulate;

sepals (erect), purplish, 4–9 mm, (lateral pair rarely with subapical callus, 0.1–0.3 mm), not keeled;

petals (widely spreading to somewhat reflexed), magenta (with deep purple center), 11–21 mm, blade 6–12 × 5–11 mm, margins not crisped, claw 5–10 mm, narrower than blade;

stamens tetradynamous;

filaments: median pairs (distinct), 5–7 mm, lateral pair 3–5 mm;

anthers (all) fertile, 3–4 mm;

gynophore 0.7–1.5 mm.

strongly recurved, 2–5 mm.

divaricate-ascending, (straight), 4–7 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.

ascending, smooth, straight, flattened, 6–11.4 cm × 2–3 mm;

valves each with prominent midvein;

replum straight;

ovules 56–92 per ovary;

style 1–2.5 mm;

stigma strongly 2-lobed.

oblong, 1.7–2 × 0.9–1.1 mm;

wing 0.2–0.3 mm wide, distal.

broadly oblong, 2–2.5 × 1–1.3 mm;

wing 0.2–0.3 mm wide, continuous.

= 28.