109 species of Ipomoea L. are recorded from Bolivia. This total includes six new country records and two species, I. prolifera J. R. I. Wood & Scotland and I. inaccessa J. R. I. Wood & Scotland, which are described as new, while I. jujuyensis O’Donell is excluded having been included previously in error. The little-known I. subalata Hassl. is described in full and compared with I. chondrosepala Hallier f. and other species with which it has been confused. The paper is illustrated with line drawings, photographs and distribution maps of the main species discussed.

中文翻译：

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关于玻利维亚番薯（旋花科）的补充说明。

玻利维亚记录有109 种Ipomoea L.。这一总数包括六个新的国家记录和两个物种，即I. prolifera JRI Wood & Scotland 和I. inaccessa JRI Wood & Scotland，它们被描述为新物种，而I. jujuyensis O'Donell 被排除在外，因为之前被错误地包括在内。鲜为人知的I. subalata Hassl。详细描述并与I. chondrosepala Hallier f 进行比较。以及其他与它混淆的物种。本文附有所讨论的主要物种的线条图、照片和分布图。