Flora of North America species comparison

not branching, straight, 1–5 dm.

usually branching, straight, 3–6 dm; bearing bulblets or not.

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

blade flat, tapering toward both ends, becoming involute.

basal withering, 1–2 dm;

blade linear-attenuate.

subumbellate, 1–5-flowered;

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

mono-chasiate, 1–4-flowered;

bracts 1–2 cm.

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.

erect;

perianth open, broadly campanulate;

sepals usually with brownish blotch near base, lanceolate, 3 cm, apex acuminate;

petals white to lavender, sometimes with brownish blotch distal to gland, obovate-cuneate, rounded distally, 2–3 cm, usually with yellow hairs near gland, apex acute to acuminate;

glands many, rounded, not depressed, short, thick, distally knobbed, sometimes with yellowish or purplish hairs, otherwise glabrous;

filaments 7–8 mm;

anthers white, oblong, 5–7 mm, apex acute.

erect, 3-winged, ellipsoid-oblong.

erect, linear, angled in cross section, ca. 5 cm.

light beige.

= 20.

= 14.