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Amphicarpum Kunth. Subfamily: Panicoideae. Tribe: Paniceae. Subtribe: Boivinellinae. supertribe: Panicodae. clade: "PACMAD". Peanut-grass.

Key to Amphicarpum

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.).

Ref: Cheplick (1988); Cheplick (1989); Cheplick & Quinn (1982); Cheplick & Quinn (1983); Cheplick & Quinn (1986); Cheplick & Quinn (1987); Cheplick & Quinn (1988a); Cheplick & Quinn (1988b); Gray & Fairbrothers (1971); Holm (1896); McNamara & Quinn (1977); Weatherwax (1934); Wipff (2003g) In Flora of North America Editorial Committee (2003a). Show full citations.

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