Flora of North America species comparison

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

usually stout, sparingly branching, not flexuous or twisted, 3–6 dm.

basal, withering;

blade linear, attenuate.

basal withering, 1–2 dm;

blade linear, glaucous.

1–4-flowered;

bracts 1–3 cm.

subumbellate, 1–4-flowered;

bracts opposite pedicel, 4–8 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 usually with dark red blotch near base, lanceolate-ovate, 2–3 cm;

petals yellow, often tinged purple in drying, cuneate to obovate, 3–5 cm;

glands usually ± round, depressed, small, surrounded by conspicuously fringed membrane and a few long, yellow hairs, densely covered with slender, unbranched hairs;

filaments 9–10 mm;

anthers yellowish, oblong, 8–10 mm, apex obtuse.

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

erect, lanceoloid-linear, angled, 5–8 cm, apex acuminate.

light beige, flat.

flat.

= 14.

= ca. 14.