Allium triquetrum

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Three-cornered leek
Allium triquetrum01.jpg
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Monocots
Order:
Asparagales
Family:
Amaryllidaceae
Subfamily:
Allioideae
Genus:
Allium
Section:
A. sect. Briseis
Species:
A. triquetrum
Binomial name
Allium triquetrum
Synonyms[1][2]
  • Allium medium G.Don
  • Allium opizii Wolfner
  • Allium triquetrum var. bulbiferum Batt. & Trab.
  • Allium triquetrum fo. normale (L.) Maire & Weiller
  • Allium triquetrum var. typicum (L.) Regel
  • Briseis triquetra (L.) Salisb.

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Allium triquetrum is a bulbous flowering plant in the genus Allium (onions and garlic) native to the Mediterranean basin. It is known in English as three-cornered leek (or in New Zealand as onion weed);[3] both the English name and the specific epithet triquetrum refer to the three-cornered shape of the flower stalks.[4]

Distribution

Allium triquetrum is native to south-western Europe, north-western Africa, Madeira and the Canary Islands, where it grows in meadows, woodland clearings, on river banks and roadside verges from sea level to an altitude of 850 metres (2,790 ft).[5] It has also been introduced to the British Isles, New Zealand, Turkey, Australia, California, Oregon, and South America.[5][6][7]

Description

Allium triquetrum produces stems 17–59 centimetres (7–23 in) tall, which are concavely triangular in cross-section. Each stem produces an umbel inflorescence of 4–19 flowers in January–May in the species' native environment.[5] The tepals are 10–18 millimetres (0.4–0.7 in) long and white, but with a "strong green line".[8] Each plant has 2–3 narrow, linear leaves, each up to 15 cm (6 in) long.[5] The leaves have a distinct onion smell when crushed.

Culinary uses

All parts of the plant, from the bulb to the flowers, are edible fresh (for example in pestos)[9] or cooked,[10] with "a subtle flavour like leek or spring onion".[11]

References

  1. ↑ The Plant List
  2. ↑ Tropicos
  3. ↑ New Zealand Plant Conservation Network page
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 5.2 5.3 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ BONAP (Biota of North America Project) floristic synthesis, Allium triquetrum
  7. ↑ Wild Picnic, a gallery of useful and edible plants in Wellington and the Wairarapa, New Zealand. Onionweed, Allium triquetrum
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links


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