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Scadden Flat Checkerbloom
Sidalcea stipularis
  
About Scadden Flat Checkerbloom (Sidalcea stipularis) 1 Nurseries Carry This Plant Sidalcea stipularis is a rare species of flowering plant in the mallow family, known by the common name Scadden Flat checkerbloom. 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. 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. 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. 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).
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
1 - 2.1 ft tall

Flower Color
Flower Color
Pink

Flowering Season
Flowering Season
Summer

Wildlife Supported
 


 
Butterflies & moths hosted ( 2 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Full Sun

Nurseries
Nurseries

Soil Drainage
Soil Drainage
Standing

Common uses
Common uses
Bird Gardens

Natural Setting
Site Type
Site Type
Marshes

Climate
Climate
Annual Precipitation: 54.9" - 57.6", Summer Precipitation: 1.13" - 1.18", Coldest Month: 45.5" - 45.8", Hottest Month: 69.5" - 69.8", Humidity: 3.31" - 19.58", Elevation: 2348" - 2512"


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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