Allium tribracteatum

Threebract onion
Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Tribe: Allieae
Genus: Allium
Species: A. tribracteatum
Binomial name
Allium tribracteatum
  • Allium tolmiei Baker ex J.M.Coult. 1885, illegitimate homonym not Baker 1876

Allium tribracteatum, known by the common name Threebract onion,[2] is a species of wild onion [3] found in California.


The plant is endemic to California, where it is known only from the slopes of the Sierra Nevada in Tuolumne and Calaveras Counties. [3][4][5]


Allium tribracteatum is a small onion plant producing a stem only a few centimeters long from an oval-shaped bulb. There are two leaves which are usually much longer than the stem. The inflorescence contains up to 30 petite white to purple flowers, each less than a centimeter long. Tepals are white to pink with red or purple midveins; anthers purple; pollen gray.[3][6][4]


External links

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