Flora of North America species comparison

usually not branching, stout, 2–5 dm.

4–6 dm.

basal withering, 0.5–1 dm;

blade linear.

basal withering, 2–3 dm;

blade linear.

subumbellate, 1–3-flowered;

bracts 3–5 cm.

subumbellate, 1–3-flowered;

bracts 2–8 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, each member with median brown or purple blotch surrounded by bright yellow zone;

sepals lanceolate, attenuate, 2–4 cm;

petals white to yellowish or lavender, usually streaked with purple toward base, obovate to cuneate, rounded, 2–4 cm, with a few short hairs near gland, apex retuse to obtuse;

glands linear, strongly chevron-shaped to weakly lunate, not depressed, densely covered with short hairs;

filaments 7–9 mm;

anthers lanceolate-linear to oblong, 8–10 mm, apex acute to obtuse.

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

erect, linear, angled, 5–6 cm, apex acute.

flat, inflated.

= 14.

= 12, 14, 20, 26.