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31 December 2015 A Second Tree Species of Ampelozizyphus (Rhamnaceae), from the Upper Cuyarí River Basin, Guianía (Colombia)
Gerardo A. Aymard, Francisco Castro-Lima
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Abstract

Ampelozizyphus kuripacorum from the upper río Cuyarí, Guianía department, Colombia, is described, illustrated, and its relationship with related species discussed. This new species differs from A. guaquirensis (the only other tree species in the genus) by its larger petioles, elliptic leaves, the domatia located only in the base the midrib on the lower surface, the glands (nectaries) on the leaf blades different in form, place and size, and the shorter, few- to single-flowered inflorescence. Updated keys to identify the genera of Rhamnaceae of Colombia and the species of Ampelozizyphus are provided.

© President and Fellows of Harvard College, 2015
Gerardo A. Aymard and Francisco Castro-Lima "A Second Tree Species of Ampelozizyphus (Rhamnaceae), from the Upper Cuyarí River Basin, Guianía (Colombia)," Harvard Papers in Botany 20(2), 161-166, (31 December 2015). https://doi.org/10.3100/hpib.v20iss2.2015.n6
Published: 31 December 2015
JOURNAL ARTICLE
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KEYWORDS
Amazonia
Ampelozizyphus
Colombia
Rhamnaceae
Río Cuyarí
Upper Río Negro basin
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