Flora of North America species comparison

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

usually not branching, straight, scapelike, stout, 1–3 dm.

basal, withering;

blade linear, attenuate.

basal 1–3 dm × 5–15 mm, usually shorter than stem.

1–4-flowered;

bracts 1–3 cm.

subumbellate, 1–5-flowered;

bracts 2–several, lanceolate to linear, unequal, 1–5 cm, apex acuminate;

peduncle stout, becoming strongly deflexed in fruit.

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 or spreading;

perianth yellowish white, sometimes streaked with purple, open, campanulate;

sepals shorter than petals;

petals oblong-lanceolate, clawed, adaxial surface densely hairy, margins fringed laterally and moderately bearded on proximal 1/2 distal to claw with slender, flexuous hairs, apex acute or obtuse;

glands short, nearly round, depressed, typically bordered proximally by dark-colored, deeply fringed membrane, adaxial surface covered with short, thick hairs;

filaments shorter than or equaling anthers;

anthers lanceolate, apex long-apiculate.

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

nodding, 3-winged, ellipsoid, apex acute.

light beige, flat.

light brown, irregular.

= 14.

= 20.