Flora of North America species comparison

± slender, usually branching, 1–4 dm.

usually not branching or twisted, straight, 1.5–4.5 dm.

basal persistent, 1–4 dm;

blade lanceolate, tapering at base, flat;

cauline bractlike.

blade linear, becoming involute;

basal withering.

± umbellate, 1–several-flowered.

subumbellate, 1–4-flowered;

bracts congested, unequal.

erect or spreading;

perianth open, campanulate;

sepals 10–15 mm;

petals white to pinkish or purplish, obovate, 12–25 mm, adaxial surface densely hairy, margins ciliate;

glands bordered proximally by ciliate membrane, distally by short hairs;

anthers lanceolate, apex acute to apiculate.

erect;

perianth open, campanulate;

sepals marked similar to petals, usually shorter, lanceolate, glabrous, apex acuminate;

petals white, tinged with lilac or infrequently magenta, yellow at base, with reddish brown or purple band or blotch distal to gland, broadly obovate, cuneate, sparsely invested near gland with slender hairs, apex usually short-acuminate;

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

filaments ca. equaling anthers;

anthers yellowish or pinkish, oblong, apex obtuse.

nodding, winged, oblong, 2–3 cm.

erect, linear-lanceoloid, 3-angled, apex acuminate.

deep purple, dark brown in age, irregular.

flat.

= 20.

= 16.