Flora of North America species comparison

usually branching distally, ± flexuous, 2–6 dm.

usually not branching or twisted, 4–6 dm.

basal withering, 1–3 dm;

blade linear.

basal withering, 1–2 dm;

blade linear.

1–few-flowered;

bracts opposite pedicel, 2–10 cm.

1–4-flowered;

bracts 2–4 cm.

erect;

perianth open, broadly campanulate;

sepals with purple blotch near base, lanceolate, 2–3 cm, apex acuminate;

petals white tinged with lilac, with purple blotch near base, usually obovate, ± concave, 2–5 cm, glabrous except few hairs near base, apex obtuse;

glands oblong, not depressed, densely hairy, hairs branching;

filaments 8–10 mm;

anthers lilac, oblong, 4–5 mm.

erect;

perianth open, campanulate;

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

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface, not spotted, narrowly obovate, 2–4 cm, ± glabrous;

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

filaments ca. 6 mm;

anthers bluish, oblong, 5–7 mm, ± glabrous, apex obtuse.

erect, narrow-oblong, rounded in cross section, 2–5 cm, apex obtuse.

erect, tan to brown, linear-lanceoloid, angled, ca. 7 cm, apex acuminate.

light yellow, translucent, flat.

light yellow, flat.

= 14.

= 14.