Flora of North America species comparison

branching, ± straight, 2–6 dm.

not branching, straight, 1–5 dm.

basal withering, 1–2 dm;

blade linear, attenuate.

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

blade flat, tapering toward both ends, becoming involute.

monochasiate, 1–4-flowered;

bracts 2–5 cm.

subumbellate, 1–5-flowered;

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

erect;

perianth open, campanulate, narrow at base;

sepals deep lilac, often with purple blotch, lanceolate-ovate to acuminate, 2–3 cm;

petals lavender to deep purple, usually with purple blotch at base, obovate to cuneate, rounded, 3–5 cm, with scattered, white and/or purple hairs proximal to middle, sometimes with yellow hairs distal to gland, margins dentate distally;

glands ± square, not depressed, usually with many branching hairs;

filaments 7–8 mm;

anthers purple or white, 5–7 mm, apex obtuse to abruptly pointed.

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, linear, angled, 5–7 cm.

erect, 3-winged, ellipsoid-oblong.

light-colored, flat.

light beige.

= 14.

= 20.