Flora of North America species comparison

usually not branching or twisted, 1–4 dm.

usually not branching, stout, 2–5 dm.

basal withering, 1–2 dm;

blade linear.

basal withering, 0.5–1 dm;

blade linear.

1–4-flowered;

bracts 2–4 cm.

subumbellate, 1–3-flowered;

bracts 3–5 cm.

erect;

perianth open, campanulate;

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

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface and dark red or purple crescent distal to gland, narrowly obovate, 2–4 cm, ± glabrous;

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

filaments 5–6 mm;

anthers yellow, blue, or maroon, oblong, 5–7 mm, apex obtuse.

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, linear-lanceoloid, angled, 3–7 cm, apex acuminate.

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

yellow, flat.

flat, inflated.

= 14.

= 14.