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 reddish, bulblets usually present.

(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.

(2.5–)3–8(–10) × 0.5–1.5(–1.8) cm;

petiole usually not winged;

blade oblanceolate to narrowly spatulate, base usually slightly decurrent onto stem, gradually tapering to petiole, margins entire, sometimes slightly undulate, surfaces glabrous.

(1–)2–5(–11)-flowered;

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

1–5(–8)-flowered;

bracts linear to narrowly lanceolate, 2–6 mm, glabrous.

0.8–5 cm, glabrous.

1–2(–3.5) 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 green, 3.5–6 mm, glabrous, tube 2–3 mm, lobes 5, 2.5–4.5 mm;

corolla tube usually yellow, sometimes white with dark maroon, thick, wavy ring, lobes 5, usually magenta, sometimes white, 5–9(–12) mm;

filaments connate, tube dark maroon, 2–3.5 × 1–1.5 mm;

anthers 3–4 mm;

pollen sacs yellow, streaked with purple, connective dark maroon, transversely rugose, (infrequently seemingly longitudinally wrinkled);

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, valvate, cylindric-ovoid, 6–10(–13) × 3–4.5 mm, glabrous;

walls thin, pliable.

without membrane along edges.

without membrane along edges.

= 44.

= 66.