Flora of North America species comparison

usually not branching, stout, 2–5 dm.

usually not branching, straight to flexuous, often scapelike, 15–25 cm.

basal withering, 0.5–1 dm;

blade linear.

basal ± erect, to 3 dm × 3–7 mm;

blade with adaxial surface densely hairy, abaxial surface glabrous, shiny.

subumbellate, 1–3-flowered;

bracts 3–5 cm.

erect, 1–7-flowered;

bracts 1–several, 2.5–3 cm.

erect;

perianth open, campanulate;

sepals lanceolate, 4–5 cm, apex acuminate;

petals purple, with median green stripe on abaxial surface, obovate, 4–6 cm, bearded distal to gland, apex acuminate;

glands triangular-sagittate, slightly depressed, densely covered with slender hairs;

filaments 8–9 mm;

anthers lanceolate-linear, ca. 1 cm, apex obtuse.

erect;

perianth open, campanulate;

sepals ovate-acuminate, 20 × 8 mm;

petals white, with reddish striations from base to gland and broad lavender chevron just distal to gland margins, broadly obovate, 2.5 cm, adaxial surface densely hairy, margins slightly ciliate;

glands transversely oblong-lunate, deeply depressed, green at adaxial base, 1/2 to nearly equaling petal claw width, surrounded by yellow hairs that grade to white at petal apex, covered with membranous scales, scales covered with very small, translucent, rodlike hairs;

filaments 7 mm;

anthers reddish brown, 3–7 mm, apex apiculate.

erect, lanceoloid-linear, angled, 4–5 cm, apex acuminate.

nodding, 3-winged, ellipsoid-elongate, 3–4 cm.

flat, inflated.

light beige, surface rough.

= 14.