Allium nigrum, common name black garlic, broad-leaved leek, or broadleaf garlic, is a Middle Eastern species of wild onion. It lacks the onion or garlic scent shared by most of the other species in the group. The species is native to Turkey, Cyprus, Syria, Lebanon, and Israel but cultivated as an ornamental in many other places. It has become naturalized in some regions, including parts of the United States.
Allium peninsulare is a North American species of wild onion. It is known by such common names as Mexicali onion and Peninsula onion; the former referring to the Mexican city just south of the US/Mexican border, the latter referring to the Peninsula of Baja California. It is widespread in California, USA, where it grows in the California Coast Ranges, Sierra Nevada foothills, some of the Channel Islands, and Peninsular Ranges. The range extends south into the northernmost part of Baja California and north into southern Oregon.
Allium przewalskianum is an Asian species of wild onion in the Amaryllis family.
Allium atrosanguineum is an Asian species of onion native to China, Siberia, Mongolia, and Central Asia. It grows high in the mountains at elevations of 2400–5400 m.
Allium cyathophorum is a Chinese species of flowering plant in the onion genus Allium of the family Amaryllidaceae. It grows at elevations from 2700 metres up to 4600 metres.
Allium fasciculatum is a species of onions known from the Himalayas of Bhutan, Sikkim, Nepal, and the Chinese provinces of Qinghai, Sichuan and Tibet. It grows at elevations of 2200–5400 m.
Allium guanxianense is a plant species endemic to Sichuan in China. It is found on damp slopes at elevations of 1800–2000 m.
Allium heteronema is a plant species endemic to Sichuan in China. It grows on hillsides at elevations of 1600–2300 m.
Allium humile is an Asian species of wild onion found at high elevations in India, Nepal, northern Pakistan, Tibet, and Yunnan.
Allium hymenorhizum is a Eurasian species of wild onion in the amaryllis family. It grows at elevations of 1100–2700 m
Allium maowenense is a plant species endemic to the Sichuan region of China. It grows there at elevations of 1100–1500 m.
Allium ovalifolium is a Chinese species of onion widely cultivated as an ornamental in other regions. It grows at elevations of 1500–4000 m. The Tibetan people of Shangri-La and nearby areas eat its scapes.
Allium rude is a Chinese species of wild onion native to Gansu, Qinghai, Sichuan, and Tibet, at elevations of 2700–5000 m.
Allium sikkimense is a plant species native to Sikkim, Tibet, Bhutan, Nepal, India and parts of China. It grows in meadows and on the edges of forests at elevations of 2400–5000 m. The species is cultivated as an ornamental in other regions because of its strikingly beautiful blue flowers. It is used medicinally in the Sikkim Eastern Himalayas.
Allium thunbergii, Thunberg's chive or Thunberg garlic, is an East Asian species of wild onion native to Japan, Korea, and China. It grows at elevations up to 3000 m. The Flora of China recognizes A. tunbergii and A. stenodon as separate species, but more recent sources combine the two.
Allium trifurcatum is a plant species native to the Sichuan and Yunnan regions in southern China. It grows at elevations of 3000–4000 m. The Tibetan people of Shangri-La and nearby areas eat its scapes.
Allium tubiflorum is a plant species native to China at elevations less than 2000 m.
Allium wallichii is a plant species native to India, Nepal, Sikkim, Bhutan, Myanmar, and parts of China. It grows at elevations of 2300–4800 m.
Allium xiangchengense is a plant species endemic to the Sichuan region in southern China. It grows there at an elevation of approximately 3300 m.
Allium xichuanense is a plant species native to the Sichuan and Yunnan regions in southern China. It grows at elevations of 3100–4400 m.
