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Riodocea (Rubiaceae, Gardenieae), a new genus from the Brazilian Atlantic forest

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Abstract

The genusRiodocea is here described from material collected in the várzea forest of the Rio Doce Valley, northern Espírito Santo.Riodocea is a monotypic genus probably related to the Amazonian endemicKutchubaea. A line drawing shows general morphology and photomicrographs show pollen morphology ofRiodocea pulcherrima. Distribution maps ofRiodocea andKutchubaea are included.

The valley of the Rio Doce is here included in the Bahian Hylaea, defined as a subregion of the Brazilian Atlantic forest. The connections between the Amazonian Hylaea and the Bahian Hylaea are discussed.

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  1. Institute of Systematic Botany, New York Botanical Garden, 10458-5126, Bronx, NY, U.S.A.

    Piero G. Delprete

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  1. Piero G. Delprete
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Delprete, P.G. Riodocea (Rubiaceae, Gardenieae), a new genus from the Brazilian Atlantic forest. Brittonia 51, 15–23 (1999). https://doi.org/10.2307/2666550

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