Allium cyathophorum is a Chinese (杯花韭, bei hua jiu) species of the genus Allium (onions) in the amaryllis family, Amaryllidaceae. It grows at elevations from 2700 metres up to 4600 metres.
This species has thick roots but thin, fibrous bulbs. Scapes are usually 2-angled, up to 15 cm tall. Leaves are flat, narrowly linear, usually shorter than the scapes. Umbels are hemispheric with purple flowers.
A. cyathophorum is found in the third evolutionary line of the genus Allium. It is a member of subgenus Cyathophora and is the type species for that subgenus.
Two infraspecific varieties are recognized:
William Stearn originally named A. farreri in 1930 after Reginald Farrer, but in 1950 realised it was a variety of A. cyathophorum, and so renamed it.
- ^ WCLSPF 2015, A. cyathophorum
- ^ a b c Flora of China v 24 p 176 杯花韭 bei hua jiu Allium cyathophorum
- ^ Bureau, Louis Édouard, & Franchet, Adrien René. 1891. Journal de Botanique (Morot) 5(10): 154–155.
- ^ WCLSPF 2015, var. cyathophorum
- ^ WCLSPF 2015, var. farreri
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