Flora of North America species comparison

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

usually branching, 1–6 dm.

basal, withering;

blade linear, attenuate.

basal withering, 1–2 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;

sepals with dark red proximal blotch surrounding gland and extending to base, lanceolate, 2–3 cm, apex recurved;

petals white or yellowish, often pink abaxially, with dark red blotch surrounding gland, often with small red spot immediately above gland, obovate to cuneate, 3–5 cm, with scattered hairs proximally;

glands suprabasal, ± square, not depressed, covered with short hairs;

filaments usually equaling anthers;

anthers linear-lanceolate to oblong.

erect, lanceoloid, angled, stout, 3–4 cm.

erect, linear, angled, 5–6 cm.

light beige, flat.

light beige, flat, 5–6 mm.

= 14.

= 14.