| 词条 | Eriogonum sphaerocephalum |
| 释义 |
|image = Eriogonum sphaerocephalum var. sphaerocephalum closeup-6-08-04.jpg |genus = Eriogonum |species = sphaerocephalum |authority = Dougl. ex Benth. }} Eriogonum sphaerocephalum is a species of wild buckwheat known by the common name rock buckwheat. It is native to the western United States from northeastern California to Idaho, where it is a common member of several habitat types, such as sagebrush. DescriptionThis is a small shrub or subshrub up to half a meter tall and wide, growing from a caudex and producing erect flowering stems. The woolly leaves are widely lance-shaped to somewhat oval and 1 to 4 centimeters long, and form basal rosettes around the caudex. The inflorescence arises on a stalk and bears many yellow flowers in a head-like cluster or umbel. VarietiesThere are several varieties of this species:
External links
5 : Eriogonum|Flora of the Northwestern United States|Flora of California|Flora of Nevada|Flora of the Sierra Nevada (U.S.) |
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