Flora of North America species comparison

not obvious at anthesis, or sometimes erect to slightly horizontal, slender;

roots white or reddish;

bulblets absent.

not obvious at anthesis;

roots white;

bulblets absent.

(3.5–)8–20(–30) × (1–)2.5–6(–7) cm;

petiole slightly winged;

blade ovate, base decurrent onto stem, abruptly tapering to petiole, margins subentire to sinuate or crenate, surfaces glabrous.

4–20(–23) × 1.5–4(–6) cm;

petiole usually slender (at least basally);

blade broadly elliptic to ovate, base slightly decurrent onto stem, abruptly tapering to petiole, margins sinuate to dentate, surfaces glabrous.

(1–)2–5(–11)-flowered;

bracts lanceolate, 1.5–5(–8) mm, glabrous.

1–6-flowered;

bracts narrowly lanceolate, 3–8(–10) mm, glabrous.

0.8–5 cm, glabrous.

1.5–4.5(–5.5) cm, glabrous.

calyx light green, 4–6 mm, glabrous, tube 2–3.5 mm, lobes 5, 1.5–3(–4) mm;

corolla tube yellow with red, thin, wavy ring, lobes 5, white, 7–18(–20) mm;

filaments distinct, maroon to black, 0.1–0.5 mm;

anthers (4.5–)5–7.5 mm;

pollen sacs maroon to black, connective dark purple to maroon, smooth;

stigma not enlarged compared to style.

calyx light green, 4–6 mm, glabrous, tube 2–3 mm, lobes 5, 2.5–4 mm;

corolla tube yellow with red, thin, wavy ring, lobes 5, usually white, rarely lavender, 13–20 mm;

filaments distinct, whitish yellow to yellow, 0.6–1 mm;

anthers 6.5–8 mm;

pollen sacs purplish to reddish purple or yellow, often streaked with red, connective yellow basally, smooth;

stigma not enlarged compared to style.

pale greenish to tannish, dark yellow apically, valvate, narrowly ovoid, (6–)8–11 × 3–5 mm, glabrous;

walls thin, pliable.

tan to light brown, valvate, narrowly ovoid, 9–13 × 3–5 mm, glabrous;

walls thin, pliable.

without membrane along edges.

without membrane along edges.

= 44.