Gelsemium rankinii, the Rankin's trumpetflower or swamp jessamine, is a twining vine in the family Gelsemiaceae, native to the southeastern United States from Louisiana to the Carolinas.Biota of North America Program 2014 county distribution mapOrnduff, R. 1970. The systematics and breeding system of Gelsemium (Loganiceae). Journal of the Arnold Arboretum 51(1): 1–17 includes description, drawings, distribution map, etc.Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Manual of the Vascular Flora of the Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill
Gelsemium rankinii is a vine that will climb over other vegetation to a height of 6 meters (20 feet) or more. It has glossy green leaves and groups of showy yellow flowers.Floridata Plant Encyclopedia
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External links
North Carolina State University Cooperative Extension