Allium taiseba, a new species of Allium sect. Scorodon (Amaryllidaceae) from Van province (Turkey)

A new species, Allium taiseba ( A. sect. Scorodon ), is described from Hoşap (Xoşap)/Van province, Turkey. It is morphologically similar to A. bingoelense , but it differs in several morphological features including inner tunic's colour of bulb, spathe length, tepal colours and size, stamen colour and length, ovary shape, style colour and length, capsule and seeds size. A comprehensive description of the new species is provided, including detailed photographs, geographical distribution map, habitat and ecology, vernacular names and IUCN conservation status.