Flora of North America species comparison

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

usually branching distal to base, 1–5 dm, slightly glaucous.

basal persistent, 20–35 cm;

blade gradually tapering distally, adaxially pubescent.

basal persistent, 20–50 cm;

blade linear, flat, slightly glaucous.

subumbellate, 1–3-flowered;

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

2–many-flowered.

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.

nodding;

perianth closed at apex, globular;

sepals spreading, ovate to lanceolate, 1.5–2 cm;

petals deep yellow, with brown abaxial blotch, widely lanceolate, 1.6–2 cm, densely ciliate throughout, adaxial surface glabrous or with a few hairs near gland;

glands deeply depressed, bordered distally by band of hairs;

filaments longer than anthers;

anthers oblong, apex obtuse or acute.

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

nodding, winged, oblong, 2–3 cm, apex obtuse or acute.

light-colored, irregular.

dark brown, irregular.

= 20.

= 20.