Family Code: POACEA Genus Code: AMPHI2 Genus CN: maidencane Genus Authority: Kunth Genus Summary: The genus consists only of the two species treated here, remarkable for their dimorphic spikelets, some of them cleistogamous and subterranean, others aerial and chasmogamous. A series of publications over the past century make Amphicarpum one of the best studied “useless” grasses anywhere (Holm 1896; Weatherwax 1934; Gray & Fairbrothers 1971; McNamara & Quinn 1977; Cheplick & Quinn 1982, 1983, 1986, 1987, 1988a, 1988b; Cheplick 1989; et seq.). Genus References: Wipff in FNA (2003a). Last Updated: 2019-11-29 Publish: 1