A new species of Phreatia sect. Caulescentes from Sulawesi, Indonesia, Phreatia tinukariensis is described and illustrated. It closely resembles P. navicularis, described from Maluku (Seram, Indonesia), but differs in the shape of the labellum, in particular its basal part and the position of the circular thickenings on the labellum blade. A comparison between the two is presented in a table. A key to the Indonesian species of sect. Caulescentes is provided.

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Naturalis Biodiversity Center
doi.org/10.3767/blumea.2024.69.03.05
Blumea: Biodiversity, Evolution and Biogeography of Plants

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Juswara, L.S., Wibowo, A.R.U., Ormerod, P., Gumilang, A.R., Santoso, W., Sutikno, & Kusumawaty, A. (2024). Phreatia tinukariensis (Orchidaceae: Thelasiinae), a new species from Sulawesi, Indonesia. Blumea: Biodiversity, Evolution and Biogeography of Plants, 69(3), 266–269. doi:10.3767/blumea.2024.69.03.05