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California Balsamroot
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Balsamorhiza macrolepis
  

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About California Balsamroot (Balsamorhiza macrolepis) Balsamorhiza macrolepis is a species of flowering plant in the sunflower tribe of the aster family, known by the common name California balsamroot. It is found only in California, where it grows in dry, open habitat, mostly in mountainous areas, mostly in the western foothills of the Sierra Nevada and in the eastern Coast Ranges near San Francisco Bay. It is now becoming rare in the Coast Ranges. Balsamorhiza macrolepis is a taprooted perennial herb growing erect 20 to 60 centimeters tall. The large lobed leaves are lance-shaped to oval and the largest, generally toward the base of the plant, may approach 50 centimeters (20 inches) in length. They are bright to dull grayish-green and coated in fine hairs. Balsamorhiza macrolepis is a taprooted perennial herb growing erect 20 to 60 centimeters tall. The large lobed leaves are lance-shaped to oval and the largest, generally toward the base of the plant, may approach 50 centimeters (20 inches) in length. They are bright to dull grayish-green and coated in fine hairs. The inflorescence bears a single flower head lined with hairy, glandular phyllaries up to 4 centimeters long. The head has a center of yellowish disc florets and a fringe of pointed yellow ray florets each 2 or 3 centimeters long.
Plant Description
Plant Type
Perennial herb

Max. Height
2.0 Feet (0.6Mts)

Native Status
Natural Setting
Site Type
Dry slopes and valleys

Sun
Sun

Elevation ?
92' - 6594'

Annual Precip. ?
14.9" - 75.6"

Summer Precip. ?
0.24" - 1.71"

Coldest Month ?
27.7° F - 49.7° F

Hottest Month ?
57.2° F - 75.2° F

Humidity ?
0.40 vpd - 25.28 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Botanical Names
Balsamorhiza macrolepis var. macrolepis

Common Names
Big Scale Balsamroot


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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