Allium siphonanthum is a plant species endemic to Yunnan Province in southern China. It grows on hillsides at an elevation of approximately 2800 m.[1]
Allium siphonanthum has bulbs up to 15 mm across. Scape is up to 60 cm tall, round in cross-section. Leaves are long and very narrow, about the same length as the scape but only about 3 mm across, often drooping under its own weight. Umbel is spherical, with a dense cluster of many reddish-purple flowers.[1] [2] [3]