Astragalus pseudocylindraceus Bornm.

Pseudocylindric Milkvetch (Astragalus pseudocylindraceus)  

The Pseudocylindric Milkvetch was described in 1915, the species was apparently endemic to a very small area in the valley of the Euphrates in the Kemaliye District, Erzincan Province in eastern Turkey. [1]

The species appears to have been restricted to habitats close to the Euphrates river and disappeared when the Keban Dam was built from 1966 to 1974, probably due to habitat loss by rising of the river’s water level. [2]

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References: 
[1] Zöhre Bulut; Hasan Yilmaz: The current situation of threatened endemic flora in Turkey: Kemaliye (Erzincan) case. Pakistan Journal of Botany 42(2): 711-719. 2010
[2] Munir Ozturk; Umit Kebapci; Salih Gucel; Esat Cetin E.; Ernaz Altundag: Biodiversity and land degradation in the lower Euphrates subregion of Turkey. Journal of Environmental Biology 33: 311-323. 2012

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edited: 18.09.2019