Taxonomic evaluation of Cyrtandra (Gesneriaceae) from Sulawesi has resulted in the recognition of 39 species. Of these, four species are described as new here: Cyrtandra balgooyi H.J.Atkins & Karton., C. flavomaculata H.J.Atkins & Karton., C. longistamina H.J.Atkins & Karton. and C. parvicalyx H.J.Atkins & Karton. Eleven names are lectotypified and three names are placed in synonymy. Provisional conservation assessments suggest that seven of these species are Critically Endangered, six are Endangered, three are Vulnerable, two are Data Deficient and 21 are of Least Concern. Illustrations, distribution maps, and a key to the Cyrtandra species of Sulawesi are presented.
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