Sidalcea stipularis
 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (April 2017) |
| Sidalcea stipularis | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Malvaceae |
| Genus: | Sidalcea |
| Species: | S. stipularis
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| Binomial name | |
| Sidalcea stipularis | |
Sidalcea stipularis is a rare species of flowering plant in the mallow family, known by the common name Scadden Flat checkerbloom.[1]
The plant is endemic to Nevada County in eastern California. It is known from only two occurrences on Scadden Flat in the Sierra Nevada foothills, near Grass Valley. It grows in marshy habitats.
Description[edit]
Sidalcea stipularis is a rhizomatous perennial herb, producing a bristle-haired stem up to 65 centimeters tall.
The leaves have oval, unlobed blades on petioles and are evenly spaced along the stem. Each is accompanied by short stipules.
The inflorescence is a headlike cluster of flowers with a cuplike skirt of hairy bracts. Each flower has five pink petals about 1.5 centimeters long each.
Conservation[edit]
Threats to this rare species include the invasion of Himalayan blackberry (Rubus armeniacus) into its habitat. One of the two occurrences is next to a road where there is heavy CalTrans activity.[2]
The plant has no federal protection but it is a state-listed endangered species in California, which means that killing or possessing this species is prohibited unless permitted by the California Department of Fish and Game (California Fish and Game Code Section 2080).
References[edit]
- ^ a b USDA, NRCS (n.d.). "Sidalcea stipularis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 12 November 2015.
- ^ The Nature Conservancy
External links[edit]
- Calflora Database: Sidalcea stipularis
- Jepson Manual eFlora (TJM2) treatment of Sidalcea stipularis
- USDA Plants Profile
- UC CalPhotos gallery: Sidalcea stipularis
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