Three new species of Bertolonia are here described from northeastern Brazil: B. igrapiuna Bisewski, Bacci & R. Goldenb., B. riocontensis Bisewski, Bacci & R. Goldenb. and B. violacea Bisewski, Bacci & R. Goldenb. They were recognized as part of a taxonomic study for the genus in the state of Bahia, Brazil. Descriptions, taxonomic comments, ilustrations and conservation status assignments are presented for the new species, as well as information on phenology, habitat and distribution. Bertolonia igrapiuna is categorized as vulnerable (VU) and the others as critically endangered (CR).

中文翻译：

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来自巴西东北部的 Bertolonia (Melastomataceae) 的新奇

这里描述了巴西东北部的三个新种 Bertolonia：B. igrapiuna Bisewski、Bacci & R. Goldenb.、B. riocontensis Bisewski、Bacci & R. Goldenb。和 B. violacea Bisewski, Bacci & R. Goldenb。它们被认为是巴西巴伊亚州对该属进行分类学研究的一部分。介绍了新物种的描述、分类评论、插图和保护状态分配，以及有关物候、栖息地和分布的信息。Bertolonia igrapiuna 被归类为易危 (VU)，其他属极危 (CR)。