Flora of North America species comparison

unbranched or branched distally, 2.8–13 dm.

branched distal to base, 1–7.5 dm.

not seen.

(soon withered);

not rosulate; petiolate;

blade narrowly ovate to oblong, 2.5–5 cm, 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.

blade linear to narrowly linear-lanceolate, 2–12 cm × 1–3(–4) mm, (smaller distally), base auriculate, margins entire.

ebracteate.

ebracteate, (lax, usually secund).

(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.

calyx urceolate;

sepals greenish to purplish, ovate-lanceolate, 6–8 mm, keeled, (apex recurved, usually glabrous, rarely sparsely pubescent);

petals white (abaxial pair with purple veins), 8–12 mm, blade 3–5 × 2–3 mm, (unequal, abaxial longer than adaxial), margins not crisped, claw 5–7 mm, narrower than blade;

stamens in 3 unequal pairs;

filaments: abaxial pair (connate 1/2 their length), 4–7 mm, lateral pair 2–4 mm, adaxial pair (connate their whole length, recurved), 7–11 mm;

anthers: abaxial and lateral pairs fertile, 2–2.7 mm, adaxial pairs sterile, 0.5–1.2 mm;

gynophore 0.2–0.5 mm.

divaricate-ascending, (straight), 3–10 mm.

divaricate, (straight), 1–3(–6) mm.

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.

divaricate, slightly torulose, recurved, flattened, 3.5–6.5 cm × 1–1.2 mm;

valves each with obscure midvein;

replum straight;

ovules 28–40 per ovary;

style 0.1–0.3 mm;

stigma entire.

broadly ovoid, 1.5–1.8 × 1–1.3 mm;

wing 0.1–0.25 mm, continuous.

narrowly oblong, 1–1.5 × 0.6–0.8 mm;

wing 0–0.1 mm wide, distal.