Appearance
"Allium triquetrum" produces stems 17–59 cm 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. The tepals are 10–18 mm long and white, but with a "strong green line". Each plant has 2–3 narrow, linear leaves, each up to 15 cm long. The leaves have a distinct onion smell when crushed.
Naming
Both the English name and the specific epithet "triquetrum" refer to the three-cornered shape of the flower stalks.
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 elevation of 850 metres. It has also been introduced to the British Isles, New Zealand, Turkey, Australia, California, Oregon, and South America.
Uses
All parts of the plant, from the bulb to the flowers, are edible fresh or cooked, with "a subtle flavour like leek or spring onion".References:
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