Flora of North America species comparison

slender, not branching or rarely branching in axil of cauline leaf, straight, 2–4 dm.

4–6 dm.

basal persistent, 20–35 cm;

blade gradually tapering distally, adaxially pubescent.

basal withering, 2–3 dm;

blade linear.

subumbellate, 1–3-flowered;

bracts 2, subopposite, linear to narrowly lanceolate, attenuate, 1–3 cm.

subumbellate, 1–3-flowered;

bracts 2–8 cm.

erect;

perianth open, campanulate;

sepals shorter than petals, ovate-acuminate, glabrous;

petals yellowish white, with purplish hairs toward base, broadly obovate, cuneate, inconspicuously fringed laterally, sparingly short-hairy adaxially, apex rounded;

glands transversely oblong, slightly depressed, densely covered with short, distally branching hairs, the bases of which unite at lower margin to form inconspicuous, discontinuous membranes;

filaments shorter than anthers;

anthers oblong-lanceolate, apex acute to short-apiculate.

erect;

perianth open, campanulate, each member with median brown or purple blotch surrounded by bright yellow zone;

sepals lanceolate, attenuate, 2–4 cm;

petals white to yellowish or lavender, usually streaked with purple toward base, obovate to cuneate, rounded, 2–4 cm, with a few short hairs near gland, apex retuse to obtuse;

glands linear, strongly chevron-shaped to weakly lunate, not depressed, densely covered with short hairs;

filaments 7–9 mm;

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

erect, 3-winged, ellipsoid, ca. 2 cm, base and apex acute.

erect, linear, angled, 5–6 cm, apex acute.

light-colored, irregular.

= 20.

= 12, 14, 20, 26.