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Allium tolmiei

Tolmie's onion

Family Amaryllidaceae

About

Allium tolmiei, Tolmie's onion, is a wild onion of mountains and scrublands in the inland north-western United States.

Care at a glance

Pet safety
Allium species are toxic to cats and dogs; eating large amounts can cause hemolytic anemia, and cats are most sensitive. General guidance for the genus
People
Low toxicity; eating large quantities may cause nausea, vomiting and diarrhoea. General guidance for the genus
Light
Full sun to light shade. General guidance for the genus
Water
Avoid overly damp ground; wet conditions invite bulb rot and other fungal problems. General guidance for the genus
Soil
Fertile, loose, well-drained soil; sand or loam both suit. General guidance for the genus
Propagation
Divide bulb offsets in spring; seed is slower and may take years to germinate. General guidance for the genus

“General guidance for the genus” marks advice sourced for the genus as a whole rather than this species.

Field notes

Morphology

Ovoid to lopsided bulbs up to 2 cm long usually disappear at flowering and re-form afterwards. Bell-shaped flowers up to 12 mm across have white to pink tepals with reddish midribs and purple or yellow anthers.

Distribution & habitat

Idaho, eastern and central Oregon, south-eastern Washington, north-western Nevada and north-eastern California, on mountains and scrubland at 400–2800 m.

History & etymology

Named after William Fraser Tolmie, who found it; described by John Gilbert Baker in 1876. Once treated as a variety of A. douglasii but generally accepted as a species.

Read the full article on Wikipedia →

Habitat

Altitude
Not recorded
Altitude class
—
Native to
United States

Cultivation

Difficulty
Not recorded

Text adapted from Wikipedia, CC BY-SA 4.0.

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