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Allium sphaerocephalon

round-headed leek
round-headed garlic
ball-head onion
Allium sphaerocephalon
Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species: A. sphaerocephalon
Binomial name
Allium sphaerocephalon
L.
Synonyms[1]

Allium sphaerocephalon is a plant species in the Amaryllis family known as round-headed leek and also round-headed garlic, ball-head onion, and other variations on these names. Other names include Drumsticks, and in Germany, Kugellauch. Some publications use the alternate spelling A. sphaerocephalum.[2] It is a hardy perennial plant.

Allium sphaerocephalon is found in the wild across all parts of

  • Allium sphaerocephalonComprehensive profile for from the website MaltaWildPlants.com

External links

  1. ^ a b c Kew World Checklist of Selected Plant Families
  2. ^ E.g.
  3. ^ a b , p. 135
  4. ^ Allium sphaerocephalonAltervista Flora Italiana, Schede di botanica,
  5. ^ a b Allium sphaerocephalonMissouri Botanical Garden, Gardening Help,
  6. ^ Allium sphaerocephalonBiota of North America Program,
  7. ^
  8. ^ a b c Allium sphaerocephalonKew Royal Botanical Garden, London,

References

formerly included[1]
Subspecies + varieties[1]

Allium sphaerocephalon produces egg-shaped bulbs. Small bulblets are present under the outer layer of the stem (making the plant potentially invasive when grown in gardens). Flowers are borne on a scape up to 50 cm in height, in a spherical to egg-shaped umbel, 1–6 cm in diameter, tightly packed with many flowers crowded together. The relatively small size of the umbel relative to the height of the stem makes this one of those described as 'drumstick alliums'. Individual flowers are reddish-purple and are occasionally replaced by bulbils (again making this a potentially invasive species).[3]

Description

The species is prized by gardeners because of its striking floral display. The spherical "head" (technically an umbel) is borne on a long scape, up to 50 cm in height, usually in July. It can contain hundreds of deep purple flowers.[5]

[7]

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