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Plant Nutrient and Forage Quality Analysis of a Wild Legume Collected from the Highland Rim Area of Middle Tennessee¹

This is a report about a summer annual wild legume (Amphicarpa bracteata L. Rick. and Staf.) found growing in the Highland Rim area of middle Tennessee. It has been observed to be preferentially grazed by farm animals. It reproduces by underground apetalous reproductive organs, as well as above ground seed pods; this suggests that it may have survival potential under conditions of intense grazing. A comparison of the laboratory chemical analyses of this wild legume, known as "wild pea" or "hog peanut," with plants of peanut (Arachis hypogaea L. ‘Florunner’), revealed similarities between the wild legume and cultivated peanut. Crude protein values for wild pea exceeded 160 g kg^–1 Because of its favorable chemical composition, dual mechanism of reproduction, and vining, competitive growth habit, wild pea should receive additional research to explore its potential as a cultivated forage legume.

Key Words: Peanut • Arachis hypogaea • Wild pea • Hog peanut • In vitro organic matter digestibility • Crude protein • Minerals • Amphicarpa bracteata

² Professor and assistant professor, Dep. of Agronomy, Inst. of Food and Agric. Sciences, Univ. of Florida, Gainesville, FL 32611.

Received for publication November 21, 1983.