Ipomoea tricolor
Icon. 3: 5, plate 208. 1795.
Annuals. Stems twining. Leaf blades ± cordate, 60–100 × 25–130 mm, base cordate, surfaces glabrous. Peduncles glabrous. Flowers: sepals lance-ovate, triangular, or oblong-triangular, (4–)6–7 mm, coriaceous, margins scarious, apex acute, abaxial surface muriculate, glabrous; corolla usually blue to deep blue, sometimes white, tube white outside, pale yellow inside, funnelform, 35–60 mm, limb 50–90 mm diam.
Phenology: Flowering Oct–Dec.
Habitat: Abandoned plantings, thickets.
Elevation: 20–1900 m.
Distribution
Introduced; Ala., Ariz., Ark., Fla., Ga., Ky., La., Miss., Mo., N.C., Pa., S.C., Tex., Mexico, West Indies, Central America, South America.
Discussion
Ipomoea tricolor is native in Mexico and has long been cultivated in North America.
The name Ipomoea violacea has been misapplied to plants of I. tricolor.
Selected References
None.
Lower Taxa
None.