Cascade onion

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Allium cratericola

Cascade onion, a reference photo
Photo: Eric in SF · CC BY-SA 3.0 (licence)

Allium cratericola is a species of wild onion known by the common name Cascade onion. It is endemic to California, where is an uncommon member of the flora in several of the state's mountain ranges, including the northern and southern California Coast Ranges, the western Transverse Ranges, Klamath Mountains, and the Sierra Nevada foothills. Its range covers much of the state, from Riverside County to Siskiyou County.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Cascade onion being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Asparagales
Family
Amaryllidaceae
Genus
Allium
Species
Allium cratericola

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Cascade onion (Allium cratericola) · B.inomen