Flora of North America species comparison

usually not branching, 1–3 dm.

usually not branching or twisted, 4–6 dm.

basal persistent, 0.5–2 dm;

blade lanceolate, tapering at base, flat, glabrous adaxially.

basal withering, 1–2 dm;

blade linear.

1–several-flowered.

1–4-flowered;

bracts 2–4 cm.

erect;

perianth open, campanulate;

sepals lanceolate, 10–12 mm, glabrous, apex acuminate;

petals pale lavender, widely obovate, 14–16 mm, adaxial surface ± glabrous, not ciliate;

glands not deeply depressed, bordered proximally by wide, ciliate membranes;

anthers linear-oblong, apex obtuse or acute.

erect;

perianth open, campanulate;

sepals with dark purple or red blotch near base, lanceolate, 1–4 cm, apex acuminate;

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface, not spotted, narrowly obovate, 2–4 cm, ± glabrous;

glands surrounded by red or purple border, round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, unbranched or distally branching hairs;

filaments ca. 6 mm;

anthers bluish, oblong, 5–7 mm, ± glabrous, apex obtuse.

erect, 3-winged, 1–2 cm.

erect, tan to brown, linear-lanceoloid, angled, ca. 7 cm, apex acuminate.

light brown, irregular.

light yellow, flat.

= 20.

= 14.