Flora of North America species comparison

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

usually not branching, 1–3 dm.

basal persistent, 20–35 cm;

blade gradually tapering distally, adaxially pubescent.

basal persistent, 0.5–2 dm;

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

subumbellate, 1–3-flowered;

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

1–several-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.

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

erect, 3-winged, 1–2 cm.

light-colored, irregular.

light brown, irregular.

= 20.

= 20.