Flora of North America species comparison

usually not branching, shorter than 5(–10) cm, bearing bulblets near base.

usually not branching or twisted, 1–4 dm.

basal persistent, 1–4 dm;

blade lanceolate, flat;

cauline usually present.

basal withering, 1–2 dm;

blade linear.

subumbellate, 1–5-flowered;

bracts 2–4, linear, attenuate.

1–4-flowered;

bracts 2–4 cm.

erect;

perianth open, campanulate;

sepals elliptic-lanceolate, 12–16 mm, glabrous, apex acuminate;

petals ± white to pink, often with purple blotch distal to gland, broadly obovate, cuneate, 15–28 mm, adaxial surface glabrous or sparsely hairy, margins irregularly dentate distally;

glands covered with ciliate membranes, bordered distally by short hairs;

filaments longer than anthers;

anthers oblong, apex obtuse or acute.

erect;

perianth open, campanulate;

sepals with dark red or purple blotch near base, lanceolate, 1–4 cm, usually glabrous, apex acuminate;

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface and dark red or purple crescent distal to gland, narrowly obovate, 2–4 cm, ± glabrous;

glands surrounded by yellow border, round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, unbranched or distally branching hairs;

filaments 5–6 mm;

anthers yellow, blue, or maroon, oblong, 5–7 mm, apex obtuse.

nodding, narrowly 3-winged, 1–3 cm.

erect, linear-lanceoloid, angled, 3–7 cm, apex acuminate.

dark brown, irregular.

yellow, flat.

= 20, 40.

= 14.