Funastrum utahense, synonym Cynanchum utahense, is a species of flowering plant in the genus Funastrum of the family Apocynaceae, known by the common names Utah swallow-wort and Utah vine milkweed. This relatively uncommon perennial vine is native to the Mojave Desert from California, Nevada, Utah and Arizona in the United States. This is a small vine with a highly branched, twining stem rarely exceeding a meter in length with which it physically supports itself on other shrubs and trees. It has small narrow leaves a few centimeters long. Its flowers are bright yellow to orange and grow in umbels. The fruit is a grooved follicle several centimeters long.Sundell, A. 1993. Asclepiadaceae, Milkweed Family. Journal of the Arizona-Nevada Academy of Science 27:169-187.Altervista Flora of USA and Canada, Cynanchum utahense.Woodson, R.E. Annals of the Missouri Botanical Garden 28(2): 215. 1941.Engelmann, G. American Naturalist 9(6): 349. 1875.Liede, S., & U. Meve. Nordic Journal of Botany 22(5): 589. 2003.
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External links
Jepson Manual Treatment USDA Plants Profile Photo gallery