Flora of North America species comparison

± slender, usually not branching, often scapelike, 0.5–2 dm.

usually stout, sparingly branching, not flexuous or twisted, 3–6 dm.

basal persistent, 1–2 dm;

blade linear, flat, glabrous adaxially.

basal withering, 1–2 dm;

blade linear, glaucous.

1–7-flowered.

subumbellate, 1–4-flowered;

bracts opposite pedicel, 4–8 cm.

erect to spreading;

perianth open, campanulate;

sepals oblong-lanceolate, 12–16 mm, usually glabrous, adaxial surface minutely papillose;

petals light green to white, usually with purple crescent distal to gland, ± oblanceolate or broader, 10–15 mm, adaxial surface hairy only distal to gland, margins conspicuously ciliate;

glands lunate, usually slightly depressed, bordered proximally by ± ciliate membrane, distally by short hairs;

anthers lanceolate, apex apiculate.

erect;

perianth open, campanulate;

sepals usually with dark red blotch near base, lanceolate-ovate, 2–3 cm;

petals yellow, often tinged purple in drying, cuneate to obovate, 3–5 cm;

glands usually ± round, depressed, small, surrounded by conspicuously fringed membrane and a few long, yellow hairs, densely covered with slender, unbranched hairs;

filaments 9–10 mm;

anthers yellowish, oblong, 8–10 mm, apex obtuse.

nodding, winged, ellipsoid-globular, 1–2 cm, apex obtuse or acute.

erect, lanceoloid-linear, angled, 5–8 cm, apex acuminate.

light brown, irregular.

flat.

= 20.

= ca. 14.