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Malacothamnus arcuatus  (Greene) Greene  var. arcuatus 
Western bewildering bushmallow
© 2006 Toni Corelli
© 2024 Adrie Hernandez
© 2024 Adrie Hernandez
© 2019 Ken Hickman
© 2004 Toni Corelli
© Keir Morse
© 2006 Toni Corelli
© 2019 Ken Hickman
© 2017 Keir Morse
© 2024 Adrie Hernandez
© 2020 John Rawlings
© 2024 Adrie Hernandez
© 2024 Adrie Hernandez
© 2024 Adrie Hernandez
© 2020 Ken Hickman
© 2024 Adrie Hernandez
© 2004 Toni Corelli
© 2017 Keir Morse
Malacothamnus arcuatus var. arcuatus is a shrub that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
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
Observation Search
~107 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Malacothamnus arcuatus
Genus: Malacothamnus
Family: Malvaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Chaparral
Name Status:
Accepted by JEF + CNPS + POWO

Alternate Names:
CNPSMalacothamnus arcuatus
JEFMalvastrum arcuatum
JEFMalveopsis arcuata
JEFSphaeralcea arcuata
Information about  Malacothamnus arcuatus var. arcuatus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (MAFA)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/09/2025).