Dioscorea floridana, the Florida yam, is a plant species native to Florida, Alabama, Georgia and South Carolina. It grows in wet and sandy places at low elevations.Flora of North America v 26 p 483, Dioscorea floridanaBONAP (Biota of North America Project) floristic synthesis, Dioscorea floridana
Dioscorea floridana is a perennial vine twining over other vegetation and spreading by means of yellow underground rhizomes. Stems can reach a height of over 4 m off the ground. Leaves are egg-shaped to triangular, up to 12 cm long, not clasping the stem. Flowers are yellow-orange.Bartlett, Harley Harris. 1910. U. S. department of agriculture. Bureau of plant industry. Bulletin. 189: 18.Wunderlin, R. P. 1998. Guide to the Vascular Plants of Florida i–x, 1–806. University Press of Florida, Gainesville.Knuth, Reinhard Gustav Paul. 1924. Das Pflanzenreich IV, 43: 173.Ahles, Harry E. 1964. Journal of the Elisha Mitchell Scientific Society 80(2): 172. D. floridana flowers from June to November.Weakley, A.S. 2020. Flora of the Southeastern United States. Edition of 20 October 2020. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
Although not considered to be in any active danger, D. floridana's native range is so limited that it is of conservational interest.
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