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Koyamaea neblinensis, a New Genus and Species of Cyperaceae (Sclerioideae) from Cerro de la Neblina, Venezuela and Brazil
Wm. Wayt Thomas and Gerrit Davidse
Vol. 14, No. 2 (Apr. - Jun., 1989), pp. 189-196
Published by: American Society of Plant Taxonomists
Stable URL: http://www.jstor.org/stable/2418905
Page Count: 8
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Koyamaea neblinensis W. Thomas & Davidse, gen. et sp. nov., from Cerro de la Neblina, Venezuela and Brazil, is described and illustrated. Because of its bisexual spikelets, each bearing one pistillate flower and many staminate flowers, presence of well-developed glumellae in both kinds of flowers, spirally arranged glumes, and regular fruit without a cupule, Koyamaea is classified as a new genus of Sclerioideae. It is probably not closely related to any other genus in the subfamily and is, therefore, placed in its own tribe, the Koyamaeae W. Thomas & Davidse, tribus nov.
Systematic Botany © 1989 American Society of Plant Taxonomists