Flora of North America species comparison

not branching, straight, 1–5 dm.

usually branching distal to base, 1–3 dm, not glaucous.

basal persistent, subtended by inflorescence, 1–3 dm × 5–25 mm;

blade flat, tapering toward both ends, becoming involute.

basal persistent, 1–4 dm;

blade green, lanceolate, tapering at base, flat, not glaucous.

subumbellate, 1–5-flowered;

bracts 2 or more, narrowly lanceolate to linear, long-attenuate, unequal, 1–5 cm.

1–5-flowered.

erect;

perianth open, campanulate;

sepals ovate to lanceolate, usually much shorter than petals, glabrous, apex acute to acuminate;

petals creamy white to lavender, with conspicuous median red-purple adaxial blotch, obovate, invested near gland with few long, flexuous hairs, base cuneate, apex rounded or acute;

glands triangular-lunate, slightly depressed, bordered proximally by comparatively narrow, deeply fringed membrane, distally often by narrower, crenate membranes, enclosed surface densely covered with long yellowish hairs, which, with membrane fringe, are often inconspicuously papillose;

filaments slightly longer than anthers;

anthers oblong, apex obtuse.

nodding;

perianth closed at apex, ± globular;

sepals spreading, yellow-green, ovate to lanceolate, 2–3 cm, glabrous, apex acuminate;

petals pale yellow, lanceolate, 3–5 cm, conspicuously fringed with short, thick hairs, adaxial surface glabrous or sparsely hairy, apex obtuse;

glands deeply depressed, bordered distally by long, slender hairs;

filaments 6–8 mm;

anthers oblong, 3–5 mm, apex obtuse or acute.

erect, 3-winged, ellipsoid-oblong.

nodding, winged, ellipsoid-oblong, 2–4 cm.

light beige.

dark brown, irregular.

= 20.

= 20.