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.