Flora of North America species comparison

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

usually not branching or twisted, 4–6 dm.

basal withering, 1–2 dm;

blade linear, glaucous.

basal withering, 1–2 dm;

blade linear.

subumbellate, 1–4-flowered;

bracts opposite pedicel, 4–8 cm.

1–4-flowered;

bracts 2–4 cm.

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.

erect;

perianth open, campanulate;

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

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface, not spotted, narrowly obovate, 2–4 cm, ± glabrous;

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

filaments ca. 6 mm;

anthers bluish, oblong, 5–7 mm, ± glabrous, apex obtuse.

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

erect, tan to brown, linear-lanceoloid, angled, ca. 7 cm, apex acuminate.

flat.

light yellow, flat.

= ca. 14.

= 14.