3. Ipomoea quamoclit Linnaeus, Sp. Pl. 1: 159. 1753.
[F W]
Cypress vine
Annuals. Stems twining. Leaf blades ± elliptic to oblong, 10–90 × 5–45 mm overall, pinnatisect, base ± truncate, lobes 19–41+, filiform to linear, surfaces glabrous. Peduncles glabrous. Flowers: diurnal; sepals elliptic to oblong, 4–8 mm, chartaceous to coriaceous, apex mucronate, surfaces glabrous; corolla usually red, sometimes white (in cultivars), salverform, 20–30 mm. 2n = 30.
Flowering Jun–Oct. Abandoned plantings, forest edges, thickets; 0–1500 m; Ont.; Ala., Ark., D.C., Fla., Ga., Ill., Ind., Kans., La., Md., Miss., Mo., N.Y., N.C., Okla., Pa., S.C., Tenn., Tex., Va.; Mexico; West Indies; Central America; South America; Eurasia; Africa.
Reports for Ipomoea quamoclit from Kansas, Oklahoma, Texas, and Virginia may be from horticultural plantings. A report from California is from a casual garden weed; it is not naturalized there.
