Flora of North America species comparison

usually not branching, straight or flexuous, often scapelike, 0.5–3 dm.

not branching, straight, 2–4 dm, proximal internodes elongate;

bulblets rare.

basal 1–3 dm × 2–15 mm, usually equaling or exceeding stem length;

blade flat, adaxial surface glabrous.

basal usually persistent, 1–3 dm × 10–25 mm;

blade flat, tapering toward both ends, becoming involute;

cauline ca. halfway up stem.

subumbellate, 1–5-flowered;

bracts 2–several, lanceolate to linear, unequal, 1–5 cm, apex acuminate;

peduncle slender, becoming stouter, deflexed in fruit.

subumbellate, 1–4-flowered;

bracts 2 or more, narrowly lanceolate to linear, long-attenuate, unequal, 2–10 cm.

erect or spreading;

perianth open, campanulate;

sepals typically with purple glandular blotch near base, oblong-lanceolate, shorter than petals, adaxial surface minutely hairy, apex acute to acuminate;

petals yellowish white, sometimes lavender-tinged, frequently with narrow purple crescent distal to gland, broadly obovate, cuneate, moderately bearded nearly to apex, adaxial surface densely hairy, margins fringed, apex obtuse or acute;

glands transversely oblong, arched upward, ± deeply depressed, bordered proximally by narrow, ascending, deeply fringed membrane, distally by narrow, crenate membranes, gland surface with rather long, slender hairs toward distal portion;

anthers lanceolate, apex long-apiculate.

erect;

perianth open, campanulate;

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

petals lavender, with deep purple adaxial crescent distal to gland, obovate, cuneate, ± ciliate laterally, sparingly covered with long, flexuous hairs distal to gland;

glands ± triangular-lunate, slightly depressed, bordered proximally by narrow, deeply fringed membrane, covered with short, thick hairs, hairs and membrane fringe densely covered with long papillae;

filaments longer than anthers;

anthers oblong, 6–10 mm, apex obtuse.

nodding, 3-winged, ellipsoid, apex usually acute.

erect, 3-winged, ellipsoid to nearly globular.

pale yellow.

light beige.

= 20.

= 40.