bio.wikisort.org - Plant

Allium tribracteatum, known by the common name Threebract onion,[3] is a species of wild onion[4] found in California.

Threebract onion
Conservation status
Imperiled  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Allioideae
Genus:	Allium
Species:	A. tribracteatum
Binomial name
Allium tribracteatum Torr.
Synonyms[2]
Allium tolmiei Baker ex J.M.Coult. 1885, illegitimate homonym not Baker 1876

Distribution and habitat

The plant is endemic to California, where it is known only from the slopes of the Sierra Nevada in Tuolumne and Calaveras Counties.[4][5][6]

Description

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.[4][7][5] Flowers bloom March to May.[5]

References

External links

• Allium tribracteatum in the CalPhotos photo database, University of California, Berkeley

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