Biology:Allium caeruleum

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Short description: Species of flowering plant

blue-of-the-heavens
Лук голубой
棱叶薤 leng ye xie
Allium caeruleum - Lemaire.jpg
1847 illustration[1]
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Subgenus: A. subg. Allium
Species:
A. caeruleum
Binomial name
Allium caeruleum
Pall.
Synonyms[2]
  • Allium azureum Ledeb.
  • Allium caerulescens G.Don
  • Allium viviparum Kar. & Kir.

Allium caeruleum (blue globe onion, blue ornamental onion, blue-of-the-heavens, blue-flowered garlic; syn. Allium azureum Ledeb.) is an ornamental bulbous plant of the onion genus, native to Central Asia (Kazakhstan, Kyrgyzstan, Siberia, Tajikistan, Uzbekistan, and Xinjiang).[3][4][5] In these regions, it is found on dry slopes, plains, and steppes.[6]

This plant is cited in the Flore des Serres et des Jardins de l'Europe puis L'illustration horticole by Charles Antoine Lemaire. It grows to 80 cm (31"), producing strap-shaped leaves and small globes (umbels) of blue flowers in early summer. The one-inch wide globular flower heads attract butterflies.[7] The plant has been granted the British Royal Horticultural Society's Award of Garden Merit (1993).[8]

A. caeruleum thrives in well-drained soil in full to partial sun.[9] It is deer-resistant and suitable for USDA hardiness zones 4–8.[6]

Gallery

  • Allium caeruleum var. bulbilliferum Egyptian Top Onion at Minnesota Landscape Arboretum

  • Flower head closeup

References

  1. ↑ illustration from Flore des serres et des jardins de l’Europe by Charles Lemaire and others. Gent, Louis van Houtte, 1847, volume 3 (plate 300).
  2. ↑ The Plant List
  3. ↑ "NC State University: Allium caeruleum". http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/bulbs-spring/Alliuca.htm. 
  4. ↑ Flora of China Allium caeruleum 棱叶薤 leng ye xie
  5. ↑ Peter Simon von Pallas. 1773. Reise durch verschiedene Provinzen des russischen Reichs 2: 727, pl. R.
  6. ↑ 6.0 6.1 "Allium caeruleum - Plant Finder". http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=282298. 
  7. ↑ "Allium caeruleum (Ornamental Onion)". https://www.gardenia.net/plant/allium-caeruleum-ornamental-onion. 
  8. ↑ "Allium caeruleum AGM". RHS Plant Finder. Royal Horticultural Society. http://apps.rhs.org.uk/plantselector/plant?plantid=92. 
  9. ↑ "Boston Bulbs Wholesale - Allium Azureum Bulbs - Boston Bulbs Wholesale". https://www.bostonbulbswholesale.co.uk/prod/azureum-caeruleum-allium-bulbs/208. 

Wikidata ☰ Q296242 entry




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