Allium cyathophorum

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Allium cyathophorum
Allium cyathophorum farreri 2.JPG
A. cyathophorum var. farreri
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species: A. cyathophorum
Binomial name
Allium cyathophorum

Allium cyathophorum is a Chinese (杯花韭, bei hua jiu) species of the genus Allium (onions) in the amaryllis family, Amaryllidaceae.[1] It grows at elevations from 2700 metres up to 4600 metres.[2]

Description

This species has thick roots but thin, fibrous bulbs. Scapes are usually 2-angled, up to 15 cm tall. Leaves are flat, narrowly linear, usually shorter than the scapes. Umbels are hemispheric with purple flowers.[2][3]

Taxonomy

A. cyathophorum is found in the third evolutionary line of the genus Allium. It is a member of subgenus Cyathophora and is the type species for that subgenus.

Varieties

Two infraspecific varieties are recognized:[2]

William Stearn originally named A. farreri in 1930 after Reginald Farrer, but in 1950 realised it was a variety of A. cyathophorum, and so renamed it.

References

  1. ^ WCLSPF 2015, A. cyathophorum
  2. ^ a b c Flora of China v 24 p 176 杯花韭 bei hua jiu Allium cyathophorum
  3. ^ Bureau, Louis Édouard, & Franchet, Adrien René. 1891. Journal de Botanique (Morot) 5(10): 154–155.
  4. ^ WCLSPF 2015, var. cyathophorum
  5. ^ WCLSPF 2015, var. farreri
  6. ^ Stearn 1930.
  7. ^ Stearn 1955a.

Bibliography

  • Stearn, William T. (1930). "A new Allium from China (A. farreri, sp. nov.)". Journal of Botany. 68: 342–343.
  • Stearn, W. T. (1955a). "Allium cyathophorum var. farreri". Curtis's Botanical Magazine. 170 (new series): tab. 252.
  • "World Checklist of Selected Plant Families". Royal Botanic Gardens, Kew. Retrieved 8 August 2015.
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