Ilcim, AhmetKarahan, Faruk2024-09-182024-09-1820201179-31551179-3163https://doi.org/10.11646/phytotaxa.477.1.6https://hdl.handle.net/20.500.12483/9777Rheum telianum is described as a new species from Kayatepe village (south-eastern Anatolia, Turkey). It is morphologically related to the west-central Asiatic R. ribes and R. rhizostachyum from which can be easily distinguish by its stem surface (slightly vermcose), leaf number, shape, and size (usually 1-basal leaf or rarely with a small one at base, reniform-rotate, 6.5-100 x 4.5-56 cm), achene shape and size (cordate-triangular, 8-15 x 8-16 mm). The distribution, notes on ecology, and conservation status of the new species are also provided.eninfo:eu-repo/semantics/closedAccessEndemicnew speciesRheumRhubarbtaxonomyTurkeyArticle4771818910.11646/phytotaxa.477.1.62-s2.0-85098049651Q3WOS:000601398600006Q3