Dioscorea polystachya Turcz.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Dioscoreaceae
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Scientific Name
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Description
Species Description - Perennial from deep-seated tubers to 1 m, the slender stems climbing 1–5 m and twining clockwise; lvs alternate, opposite, or ternate, usually with a small axillary tuber, the blade about as wide as long, halberd-shaped, deeply cordate at base; fr probably never produced in our range; 2n=ca 140–144. Native of China, often escaped from cult. in U.S. and occasional in our range. (D. batatas)
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Common Names
cinnamon-vine