Flora of North America species comparison

usually not branching, stout, 2–5 dm.

usually branching distal to base, 1–3 dm, not glaucous.

basal withering, 0.5–1 dm;

blade linear.

basal persistent, 1–4 dm;

blade green, lanceolate, tapering at base, flat, not glaucous.

subumbellate, 1–3-flowered;

bracts 3–5 cm.

1–5-flowered.

erect;

perianth open, campanulate;

sepals lanceolate, 4–5 cm, apex acuminate;

petals purple, with median green stripe on abaxial surface, obovate, 4–6 cm, bearded distal to gland, apex acuminate;

glands triangular-sagittate, slightly depressed, densely covered with slender hairs;

filaments 8–9 mm;

anthers lanceolate-linear, ca. 1 cm, apex obtuse.

nodding;

perianth closed at apex, ± globular;

sepals spreading, yellow-green, ovate to lanceolate, 2–3 cm, glabrous, apex acuminate;

petals pale yellow, lanceolate, 3–5 cm, conspicuously fringed with short, thick hairs, adaxial surface glabrous or sparsely hairy, apex obtuse;

glands deeply depressed, bordered distally by long, slender hairs;

filaments 6–8 mm;

anthers oblong, 3–5 mm, apex obtuse or acute.

erect, lanceoloid-linear, angled, 4–5 cm, apex acuminate.

nodding, winged, ellipsoid-oblong, 2–4 cm.

flat, inflated.

dark brown, irregular.

= 14.

= 20.