Flora of North America species comparison

slender, 2–5 dm.

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

basal withering, 1–2 dm;

blade linear.

basal persistent, 20–35 cm;

blade gradually tapering distally, adaxially pubescent.

subumbellate, 1–4-flowered;

bracts 1–8 cm.

subumbellate, 1–3-flowered;

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

erect;

perianth open, campanulate;

sepals lanceolate-oblong, attenuate, 2–3 cm;

petals deep yellow, usually streaked red-brown proximally, often with median red-brown blotch, cuneate to obovate, 2–4 cm, with a few slender hairs near gland;

glands ± lunate to oblong, not depressed, covered with short, matted hairs;

filaments 7–9 mm;

anthers linear-oblong, 4–6 mm, apex obtuse or acute.

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, lanceoloid-linear, angled, 3–6 cm.

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

light beige, flat.

light-colored, irregular.

= 14, 28.

= 20.