Flora of North America species comparison

twining or straggling over ground, branching, 1–2 dm, usually sinuous.

4–6 dm.

basal, withering;

blade linear, attenuate.

basal withering, 2–3 dm;

blade linear.

1–4-flowered;

bracts 1–3 cm.

subumbellate, 1–3-flowered;

bracts 2–8 cm.

erect;

perianth open, campanulate, each member with transverse yellow band;

sepals lanceolate to lanceolate-ovate, 2–3 cm;

petals white with lilac tinge, darker veined, especially distally, sometimes with purple blotch distal to gland, obovate to cuneate, 3–4 cm, with sparse or dense, short or long hairs near gland, apex rounded;

glands transverse-lunate or wider, densely short-hairy;

filaments 6–10 mm;

anthers oblong, 5–7 mm, apex obtuse or acute.

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, lanceoloid, angled, stout, 3–4 cm.

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

light beige, flat.

= 14.

= 12, 14, 20, 26.