Retiniphyllum truncatum Müll.Arg. var. truncatum
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Authority
Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
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Family
Rubiaceae
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Scientific Name
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Type
Type. Ad flumen Guainia v. Rio Negro supra ostium fluminis Casiquiare, 1854, R. Spruce 3131 (holotype K, isotype NY); inter San Carlos et Solano, October, 1853, R. Spruce 3131 (photo from K at NY).
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Description
Distribution and Ecology - Distribution. Shrub with white to pink-tinged flowers of savannas and scrub forest Territorio Federal Amazonas, Venezuela, Amazonian drainage of Colombia and Rio Igana, Brazil generally at altitudes between 100-200 m, but ascending to 1600 m on Cerro Duida, Venezuela.
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Discussion
Although the summit of the calyx was described by Miiller Argoviensis as truncate and entire, an examination of isotype material at NY (Spruce 3131) shows the calyx with five repand-denticulate protuberances on the summit. Other collections matching the Spruce specimen likewise show the five repand-denticulations of the calyx summit.
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Distribution
Distribution. Shrub with white to pink-tinged flowers of savannas and scrub forest Territorio Federal Amazonas, Venezuela, Amazonian drainage of Colombia and Rio Igana, Brazil generally at altitudes between 100-200 m, but ascending to 1600 m on Cerro Duida, Venezuela.
Venezuela South America| Colombia South America| Brazil South America|