Flora of North America species comparison

usually not branching or twisted, 1–3 dm.

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

bulblets rare.

basal withering, 1–2 dm;

blade linear.

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

blade flat, tapering toward both ends, becoming involute;

cauline ca. halfway up stem.

erect, subumbellate, 1–4-flowered;

bracts unequal at base of inflorescence, 1–6 cm.

subumbellate, 1–4-flowered;

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

erect;

perianth open, campanulate;

sepals with maroon blotch distal to gland, broadly lanceolate, 1–4 cm, apex acuminate;

petals lemon yellow, with maroon blotch distal to gland, broadly obovate, cuneate, 3–3.5 cm, ± glabrous or with a few lemon-yellow hairs near gland;

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

filaments ca. equaling anthers;

anthers yellowish cream, oblong, apex obtuse.

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.

erect, light tan to light brown, linear-lanceoloid, 3-angled, ca. 2.5–5 cm, apex acuminate.

erect, 3-winged, ellipsoid to nearly globular.

light yellow, flat.

light beige.

= 32.

= 40.