Eryngium pinnatisectum
| Eryngium pinnatisectum | |
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| Species: | E. pinnatisectum
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| Binomial name | |
| Eryngium pinnatisectum | |
Eryngium pinnatisectum is an uncommon species of flowering plant in the carrot family, known by the common names Tuolumne eryngo and Tuolumne button celery.[1]
Distribution
The annual or perennial herb is endemic to central California, within areas of Sacramento County, Amador County, Calaveras County, and Tuolumne County.[2]
It is known from the eastern Central Valley, and adjacent lower Sierra Nevada foothills.[1]
It is a plant of wetlands, in vernal pools, foothill oak woodland (Cismontane woodland), yellow pine forest (Lower montane coniferous forest), freshwater wetlands, and wetland-riparian habitats.[1]
Description
Eryngium pinnatisectum is an erect perennial herb growing up to 0.5 metres (1.6 ft) tall. It has a thick, hairless pale green branching stem.[3]
The greenish-white leaves are long and very narrow, lance-shaped with several sharp lobes, reaching 30 centimeters long.[3]
The inflorescence is an array of spherical flower heads, each surrounded by sharp-pointed, narrow bracts with thickened edges. The pale greenish flowers in the globelike head bloom in white petals.[3] The blooming period is May to August.
- Conservation
The plant is a California Native Plant Society listed Endangered species.[2]
See also
- Endemic flora of California
- Flora of the Sierra Nevada (U.S.)
- Natural history of the Central Valley (California)
References
External links
- Calflora Database: Eryngium pinnatisectum (Tuolumne button celery, Tuolumne eryngo)
- Jepson eFlora (TJM2) treatment of Eryngium pinnatisectum
- USDA Plants Profile for Eryngium pinnatisectum (Tuolumne eryngo)
- UC CalPhotos gallery of Eryngium pinnatisectum
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