Allium izmirense Pirhan, sp. nov. (Amaryllidaceae) is described here as a new species. Diagnostic morphological characters, a full description, and detailed illustrations are given herein. Allium izmirense Pirhan, sp. nov. is restricted to Mt. Güme, a part of the Aydın Mountains series near the Tire District of İzmir Province in western Anatolia, Turkey. According to its morphological features, it belongs to Allium sect. Codonoprasum. It shows morphological similarities to A. carlstroemi C. Catt., A. stamineum Boiss., A. armenum Boiss., A. tchihatschewii subsp. dumanii (Koyuncu & Koçyigit) Yild., A. hoshabicum Fırat, and A. huber-morathii Kollman, which belong to the same section. Allium izmirense sp. nov. is close related to A. carlstroemi. It is easily distinguished from this species mainly by its outer tunic papyraceous; cylindrical and pubescent leaves; leaf sheaths for 1/3-1/2 of the stem length; spathe shorter valves 0.5-1.4 cm long, longer valves 1.4-3(-6) cm long; pedicels length 0.5-1.5 cm; tepal pinkish purple, with distinct midrib, length 2.5-3.5 mm; style 2-3 mm long. According to the IUCN criteria A. izmirense Pirhan, sp. nov. is suggested as Critically Endangered (CR) B2ab (ii,iii,v).
Amaryllidaceae, pollen morphology, seed morphology, İzmir, western Anatolia, new species