A new species of Begonia section Casparya from Colombia and Venezuela is described and illustrated. Begonia oleosa is closely related to Begonia toledana var. erubescens but differs mainly by its glandular trichomes.

中文翻译：

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Begonia oleosa (Begoniaceae)，Casparya 节中第一个有腺毛的物种

描述和说明了来自哥伦比亚和委内瑞拉的秋海棠节 Casparya 新种。Begonia oleosa 与 Begonia toledana var 密切相关。erubescens 但主要区别在于其腺毛。