Flora of North America species comparison

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

usually branching distal to base, 1–5 dm, slightly glaucous.

basal withering, 1–2 dm;

blade linear, glaucous.

basal persistent, 20–50 cm;

blade linear, flat, slightly glaucous.

subumbellate, 1–4-flowered;

bracts opposite pedicel, 4–8 cm.

2–many-flowered.

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;

perianth closed at apex, globular;

sepals spreading, ovate to lanceolate, 1.5–2 cm;

petals deep yellow, with brown abaxial blotch, widely lanceolate, 1.6–2 cm, densely ciliate throughout, adaxial surface glabrous or with a few hairs near gland;

glands deeply depressed, bordered distally by band of hairs;

filaments longer than anthers;

anthers oblong, apex obtuse or acute.

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

nodding, winged, oblong, 2–3 cm, apex obtuse or acute.

flat.

dark brown, irregular.

= ca. 14.

= 20.