Calflora
Taxon  Report   11728    
Holodiscus discolor  (Pursh) Maxim.  var. glabrescens  (Greenm.) Jeps
Rock spiraea
Holodiscus discolor var. glabrescens, a dicot, is a shrub that is native to California, is also found outside of California, but is confined to western North America.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Family: ROSACEAE  
Genus: Holodiscus
Parent: Holodiscus discolor

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Ultramafic affinity: 1; (weak indicator / indifferent)

Communities: wetland-riparian

Name Status:
Accepted by ICPN

Alternate Names:
ICPN: Holodiscus microphyllus var. glabrescens
More information about  Holodiscus discolor var. glabrescens
Search efloras.org (Flora of North America)

Landscape information from Calscape

Photos on PlantID.net   /   Google Images

Consortium of California Herbaria 2


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Oct 29, 2020).