Flora of North America species comparison

usually not branching, stout, 2–5 dm.

usually not branching or twisted, 1–3 dm.

basal withering, 0.5–1 dm;

blade linear.

basal withering, 1–2 dm;

blade linear.

subumbellate, 1–3-flowered;

bracts 3–5 cm.

erect, subumbellate, 1–4-flowered;

bracts unequal at base of inflorescence, 1–6 cm.

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.

erect;

perianth open, campanulate;

sepals with maroon blotch distal to gland, broadly lanceolate, 1–4 cm, apex acuminate;

petals lemon yellow, with maroon blotch distal to gland, broadly obovate, cuneate, 3–3.5 cm, ± glabrous or with a few lemon-yellow hairs near gland;

glands round, depressed, surrounded by conspicuously fringed membranes, densely covered with short, unbranched or distally branching hairs;

filaments ca. equaling anthers;

anthers yellowish cream, oblong, apex obtuse.

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

erect, light tan to light brown, linear-lanceoloid, 3-angled, ca. 2.5–5 cm, apex acuminate.

flat, inflated.

light yellow, flat.

= 14.

= 32.