Flora of North America species comparison

usually not branching or twisted, 1–4 dm.

4–6 dm.

basal withering, 1–2 dm;

blade linear.

basal withering, 2–3 dm;

blade linear.

1–4-flowered;

bracts 2–4 cm.

subumbellate, 1–3-flowered;

bracts 2–8 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, 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, linear-lanceoloid, angled, 3–7 cm, apex acuminate.

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

yellow, flat.

= 14.

= 12, 14, 20, 26.