| 词条 | Senecio pattersonensis |
| 释义 |
|status = G2 |status_system = TNC |taxon = Senecio pattersonensis |authority = Hoover |}}Senecio pattersonensis is an uncommon species of flowering plant in the aster family known by the common names Mono ragwort.[1][2] and Mount Patterson senecio.[3][4] DistributionIt is endemic to eastern California in Mono County, in a small area of the Eastern High Sierra Nevada peaks at elevations of {{convert|3000|-|3700|m|ft}}.[1][5] It grows in rocky high mountain habitat in an alpine climate, such as talus and fellfields.[1] It is named for Mount Patterson, the highest peak in the rugged Sweetwater Mountains subrange of the Sierra Nevada, in Mono County.[6] DescriptionSenecio pattersonensis is a small perennial herb producing one to three stems from a rhizome, the plant generally not exceeding ten centimeters in height. The herbage is hairless and green to red in color. The leaves are thick and often fleshy, measuring 2 to 4 centimeters long. They are narrow and linear or lance-shaped, sometimes with wavy edges or divisions into lobes. The inflorescence bears one to four flower heads containing yellow disc florets and usually 8 ray florets measuring one half to one centimeter in length. It blooms from July to August. References1. ^1 2 CalFlora Database: Senecio pattersonensis . accessed 3.23.2017. 2. ^{{PLANTS|id=SEPA3|taxon=Senecio pattersonensis|accessdate=10 November 2015}} 3. ^California Native Plant Society Rare Plant Profile 4. ^Flora of North America: Senecio pattersonensis 5. ^The Nature Conservancy 6. ^CalFlora Botanical Names External links
5 : Senecio|Endemic flora of California|Alpine flora|Flora of the Sierra Nevada (U.S.)|Natural history of Mono County, California |
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