Allium giganteum
| Giant onion | |
|---|---|
| |
| Allium giganteum | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Amaryllidaceae |
| Subfamily: | Allioideae |
| Genus: | Allium |
| Species: | A. giganteum
|
| Binomial name | |
| Allium giganteum | |
| Synonyms[2][3] | |
|
Allium procerum Trautv. ex Regel | |
Allium giganteum, common name giant onion, is an Asian species of onion, native to central and southwestern Asia but cultivated in many countries as a flowering garden plant.[4][5] It is the tallest ornamental Allium in common cultivation, growing to 1.5 metres (4.9 ft).[6]
In early to midsummer, small globes of intense purple umbels appear, followed by attractive fruiting umbels. A popular cultivar, 'Globemaster', is shorter (80 centimetres (31 in)) but produces much bigger, deep violet, umbels (15–20 centimetres (5.9–7.9 in)). Both varieties have been granted the Royal Horticultural Society's Award of Garden Merit.[7][8][9]
In nature, the species is found in Iran, Afghanistan, Turkey, Turkmenistan, Tajikistan, and Uzbekistan.[3]
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Flower of A giganteum opening -
Allium giganteum fully open
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References
- ^ Eduard August von Regel. 1883. Gartenflora 32: 91.
- ^ The Plant List
- ^ a b Kew World Checklist of Selected Plant Families
- ^ Regel, Eduard August von 1883. Gartenflora (1883) 32: 91
- ^ Tropicos, Allium giganteum Regel
- ^ Missouri Botanical Garden: Allium giganteum
- ^ Allium giganteum Royal Horticultural Society
- ^ Allium 'Globemaster' Royal Horticultural Society
- ^ Plants For A Future: Allium giganteum
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