Flora of North America species comparison

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

unbranched or branched throughout, 1.5–12 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; petiolate (petiole winged);

blade lanceolate to oblanceolate, 1–15 cm, base narrowed to petiole, margins coarsely dentate to ± lobed.

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

blade linear-lanceolate to lanceolate or oblanceolate, 1–12 cm × 1–11 mm, (smaller distally), blade auriculate to amplexicaul, margins entire or coarsely dentate, (often entire distally).

ebracteate, (lax).

ebracteate, (lax, secund or not, rachis usually straight, rarely flexuous).

(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.

(zygomorphic);

calyx urceolate;

sepals white, greenish white, cream, yellow, rose, purple, lilac, maroon, reddish purple, or purple-black, (lanceolate to broadly ovate), (3–)5–10(–13) mm, not keeled, (glabrous or sparsely hirsute);

petals lavender, purple, or white (sometimes with brown or purple veins), 7–17 mm, blade 2–7 × 1–3 mm, (subequal or adaxial pair distinctly longer, more recurved), margins crisped, claw 5–13 mm, wider than blade;

stamens in 3 unequal pairs;

filaments: abaxial pair (distinct), 4–9 mm, lateral pair 2.5–7 mm, adaxial pair (exserted, connate 2/3 their length), 5–13 mm;

anthers: abaxial and lateral pairs fertile, 1–2.5 mm, adaxial pair sterile, 0.3–1 mm;

gynophore 0.2–1.5 mm.

strongly recurved, 2–5 mm.

ascending to divaricate or spreading, (straight or recurved), 2–32 mm, (glabrous or pubescent).

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 to divaricate or spreading, smooth, straight, curved upward, or arcuate, flattened, 3–11 cm × 1.5–2.5 mm;

valves each with prominent midvein, (glabrous or sparsely to moderately hirsute);

replum straight;

ovules 22–70 per ovary;

style 0.1–2.5 mm;

stigma subentire.

oblong, 1.7–2 × 0.9–1.1 mm;

wing 0.2–0.3 mm wide, distal.

ovoid to oblong, 1.5–2.1 × 1–1.5 mm;

wing 0.1–0.5 mm wide, continuous.

= 28.