Flora of North America species comparison

usually not branching or twisted, 1–4 dm.

stout, not branching, 16–22 cm, not bearing bulblets.

basal withering, 1–2 dm;

blade linear.

basal 2–25 dm × 8–12 mm;

cauline usually present.

1–4-flowered;

bracts 2–4 cm.

2–6-flowered.

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.

± erect;

perianth open, campanulate;

sepals broadly lanceolate, somewhat shorter than petals;

petals bright lavender, broadly obovate, adaxial surface glabrous or with short, purple hairs distal to gland, apex margins erose;

glands slightly depressed, surrounded proximally by minutely denticulate membrane;

filaments longer than anthers;

anthers oblong, apex acute to obtuse.

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

nodding, narrowly 3-winged, ovoid, 1.5–2 cm.

yellow, flat.

unknown.

= 14.