Allium macrostemon

Allium macrostemon (野蒜, ノビル), Japanese wild onion, Spring onion, Green onion, Chinese garlic, Japanese garlic or long-stamen onion,^[5] 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.^{[6][7][8][9][10]}

Long-stamen chive
Allium macrostemon, Tanesashi Coast, Aomori Prefecture, Japan
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Allioideae
Genus:	Allium
Subgenus:	A. subg. Allium
Species:	A. macrostemon
Binomial name
Allium macrostemon Bunge[2][3]
Synonyms[4]
Allium chanetii H.Lév. Allium grayi Regel Allium grayi var. chanetii (H. Lév.) H. Lév. Allium macrostemon var. uratense (Franch.) Airy Shaw Allium nereidum Hance Allium nipponicum Franch. & Sav. Allium ousensanense Nakai Allium iatasen H.Lév. Allium pallasii var. uratense (Franch.) Regel Allium uratense Franch.

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.^[6][11][12]

Allium macrostemon is mentioned in Huangdi Neijing as one of the five consumable herbs (五菜) which included mallow (Malva verticillata) (葵), pea leaves (藿), Welsh onion (蔥) and garlic chives (韭).^[13]