Flora of North America species comparison

± slender, usually not branching, often scapelike, 0.5–2 dm.

not branching, 4–6 dm.

basal persistent, 1–2 dm;

blade linear, flat, glabrous adaxially.

basal withering, 2–3 dm;

blade linear.

1–7-flowered.

subumbellate, 1–4-flowers;

bracts 2–8 cm.

erect to spreading;

perianth open, campanulate;

sepals oblong-lanceolate, 12–16 mm, usually glabrous, adaxial surface minutely papillose;

petals light green to white, usually with purple crescent distal to gland, ± oblanceolate or broader, 10–15 mm, adaxial surface hairy only distal to gland, margins conspicuously ciliate;

glands lunate, usually slightly depressed, bordered proximally by ± ciliate membrane, distally by short hairs;

anthers lanceolate, apex apiculate.

erect;

perianth open, campanulate;

sepals lanceolate, 2–4 cm, apex acute to acuminate;

petals white to purple, with median red blotch often surrounded by pale yellow, obovate to cuneate, rounded, 2–4 cm, with a few short hairs near gland, apex retuse to obtuse;

glands arched, transversely oblong to weakly lunate or ± rectangular, not depressed, densely covered with short hairs;

filaments 7–9 mm;

anthers lanceolate-linear to oblong, 8–10 mm, apex acute to obtuse.

nodding, winged, ellipsoid-globular, 1–2 cm, apex obtuse or acute.

erect, narrowly lanceoloid, stout, 4–6 cm.

light brown, irregular.

light beige, lanceolate, flat, 5–6 mm.

= 20.

= 14.