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Balsamorhiza hirsuta
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Hooker's Balsamroot
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Balsamorhiza hirsuta

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About Hooker's Balsamroot (Balsamorhiza hirsuta) Balsamorhiza hookeri (Hooker's balsamroot) is a North American species perennial plant in the sunflower family. It grows in the Great Basin and neighboring regions in the western United States. :115 It is found in Washington, Oregon, California, Idaho, Nevada, Utah, and Arizona. Growth pattern. Leaves and stems. Leaves are compound pinnate, with the leaflet divisions also divided or deeply lobed. Basal leaves are hairy and may be up to 16 inches (41 cm) long. :115The stem is leafless and hairy. :115Inflorescence and fruit. It blooms from April to July. Flower heads are 1 to 3 inches (2. 5 to 7. 6 cm) wide, and sunflower-like, with 10-21 fringe-tipped ray flowers and numerous disc flowers. :115Habitat and range. It grows to 9,000 feet (2,700 m) in dry, grassy meadows in sagebrush steppe and montane plant communities in the Great Basin. :115Ecological interactions. It tends to grow in rockier habitats than its cousin, arrow-leaf balsamroot (Balsamorhiza sagittata). :115 It hybridizes with arrow-leaf balsamroot, which has arrow shaped leaves. :115 The result is a plant with leaves that are arrow shaped, but also deeply divided. :115
Plant Description
Plant Type
Perennial herb

Flower Color

Native Status

Natural Setting
Elevation ?
4059' - 5959'

Annual Precip. ?
9.9" - 92.5"

Summer Precip. ?
0.81" - 2.47"

Coldest Month ?
29.7° F - 41.6° F

Hottest Month ?
58.7° F - 63.3° F

Humidity ?
1.55 vpd - 19.00 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

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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