Malacothamnus fasciculatus

Chaparral mallow

Malacothamnus fasciculatus (Chaparral mallow), native California shrub

Photo by Chez Brungraber

Family: Malvaceae · Type: Shrub · Native

Malacothamnus fasciculatus (Chaparral mallow) is a native California shrub in the Malvaceae family, recognized by dense hairiness and smaller flower size.

Chaparral mallow is a California native shrub found in various bioregions in chaparral and coastal habitats. Flowering from May to September, this plant produces pale pink to white flowers up to 2 centimeters long in spike-like clusters. Growing to 6 meters tall with a spreading habit, it features densely hairy stems where the surface is completely obscured by stellate hairs. Its leaves are rounded to widely ovate, bright green on top, with subtle to moderate 3 to 7 lobes that have rounded or slightly pointed tips. The shrub spreads occasionally by rhizomes and is characterized by its dense, star-shaped hair coverage that gives it a soft, textured appearance.

Identification and appearance

Key characters: 21 sympatric species; distinguished by dense hairiness and smaller flower size

Habitat and range

California counties: San Bernardino, Ventura, Los Angeles, Riverside, San Diego, Tulare, Mariposa, Orange, Santa Barbara, Amador, Contra Costa, Kern, Monterey, San Mateo, Santa Cruz, Santa Clara, San Luis Obispo, San Benito, Lake

How to tell it apart

vs Sphaeralcea: Malacothamnus has flowers clustered in leaf axils; Sphaeralcea has flowers in an elongated spike-like arrangement.; vs Sidalcea: Malacothamnus is a woody shrub in chaparral; Sidalcea is herbaceous in meadows and moist areas.; vs Malva: Malacothamnus is a native chaparral shrub with axillary clusters; Malva is a weedy herb with flowers along stems.; vs Ribes: Malacothamnus has mallow flowers with fused stamens; Ribes has tubular flowers and produces berries.; vs Brickellia: Malacothamnus has 5-petaled mallow flowers; Brickellia has fuzzy composite flower heads without petals.

Frequently asked questions

Is Malacothamnus fasciculatus native to California?

Yes. Malacothamnus fasciculatus is native to California (recorded as native).

Where in California does Malacothamnus fasciculatus grow?

Malacothamnus fasciculatus occurs in San Bernardino, Ventura, Los Angeles, Riverside, San Diego, Tulare, Mariposa, Orange and other counties.

What plant family does Malacothamnus fasciculatus belong to?

Malacothamnus fasciculatus is in the Malvaceae family, genus Malacothamnus.

Related species

Other California species in the same genus, family, or bioregion.

All Malacothamnus species · All Malvaceae

Sources: Jepson eFlora · Index of California Plant Names · CalPhotos

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.