Английская Википедия:Amsinckia carinata
Шаблон:Short description Шаблон:Speciesbox
Amsinckia carinata[1] is a species of flowering plant in the borage family known by the common name Malheur Valley fiddleneck. It is endemic to Oregon, where it is known only from Malheur County.[2][3]
Amsinckia carinata is an annual herb growing Шаблон:Convert tall. It is coated in bristly hairs. The lance-shaped or narrowly oval leaves are up to Шаблон:Convert long and are covered in hairs with pustule-like bases. The inflorescence is a coiled cyme of dark yellow to orange flowers each about a centimeter long. The fruit is a shiny, dark gray nutlet.[2][4]Шаблон:Rp
Amsinckia carinata was believed to be extinct until 1984, when it was rediscovered.[2] It occurs in the Malheur River Valley in eastern Oregon, where it grows on slopes of talus and gravel. It grows alongside the more common Amsinckia tessellata,[3] which replaces it at lower elevations and in less pristine habitat.[2] There are six populations,[2] in less than 12 square miles (30.7 km2) of territory.[3]
In the 1990s, some authors came to regard A. carinata as a synonym of A. vernicosa, which is not as rare. The consensus now is to consider it a distinct species, but the merge made it less likely that the populations would receive attention as a rare taxon. It grows only on federal land. Mining activity threatens some of the populations. Also, the landscape has been taken over by introduced species of plants, such as Bromus tectorum, cheatgrass, a change which has been intensified by cattle grazing in the area.[3]
References
External links
- Oregon Department of Agriculture
- Oregon Flora Project, University of Hawai'i photos
- Center for Plant Conservation
- ↑ Шаблон:Cite book
- ↑ 2,0 2,1 2,2 2,3 2,4 Ошибка цитирования Неверный тег
<ref>; для сносокtncне указан текст - ↑ 3,0 3,1 3,2 3,3 Amsinckia carinata. Шаблон:Webarchive Center for Plant Conservation.
- ↑ Шаблон:Cite journal
- Английская Википедия
- Amsinckia
- Flora of Oregon
- Endemic flora of the United States
- Malheur County, Oregon
- Endangered flora of the United States
- Plants described in 1916
- Taxa named by Aven Nelson
- Endemic flora of Oregon
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