Longstamen Onion

Allium macrostemon (野蒜, ノビル), Japanese wild onion, Spring onion, Green onion, Chinese garlic, Japanese garlic or long-stamen onion, is a species of wild onion widespread across much of East Asia. It is known from many parts of China, as well as Japan (incl Ryukyu Islands), Korea, Mongolia, Tibet and Primorye. It has been collected from elevations ranging from sea level to 3000 m.

Allium macrostemon produces one round bulb up to 2 cm in diameter. Scape is up to 70 cm tall. Leaves are shorter than the scape, long and hollow, round or triangular in cross-section. Umbel is large and crowded with many pale red or pale purple flowers.