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Malheur wirelettuce

Stephanomeria malheurensis

Also called Malheur Wire Lettuce

Malheur wirelettuce
Photo: U.S. Fish & Wildlife Service - Pacific Region's, CC BY 2.0

Malheur wirelettuce is a rare annual wildflower in the daisy family, known only from one hilltop site in Harney County, Oregon, and federally listed as endangered. It is not a practical garden plant, and it should only be grown by authorized conservation programs.

Family
Asteraceae (Daisy family)
Grows as
Annual
Light
Full sun
Water
Relies on natural rainfall in its native dry habitat; no regular watering is needed.
Soil
Thin soil over tuff with a limestone top layer, in its native habitat.
Temperature
Adapted to the cold winters and hot dry summers of high desert Oregon; frost-hardy as a native annual.
How easy
Hard
Native range
E. Oregon (Harney Co.)
Climate
temperate

About

Stephanomeria malheurensis, the Malheur wirelettuce, is a species of flowering plant in the family Asteraceae. It is endemic to Oregon in the United States. It is a federally listed endangered species.

It was discovered in 1966 and the population at the type locality in Harney County is the only one ever known. For several years in the 1980s it disappeared. Scattered individuals have been noted over the years. Plants were grown from seed at the Berry Botanic Garden in Portland and planted at the original site. Some still survived as of 2001.

Other Stephanomeria plants

Chicoryleaf wirelettuce · San Diego wirelettuce · Santa Barbara wirelettuce · Small wirelettuce · Teton wirelettuce · Lettuce wirelettuce · Stephanomeria occultata · Tufted wirelettuce · Parry's wirelettuce · Brownplume wirelettuce · Desert wirelettuce · Slender Wire Lettuce

Text excerpted from the Wikipedia article Stephanomeria malheurensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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