Arctostaphylos montana subsp. montana

Mount tamalpais manzanita, Mount Tamalpais Manzanita, Mt. Tamalpais manzanita

Family: Ericaceae · Type: shrub · Native

Conservation status: CNPS 1B.3

Mount tamalpais manzanita is a rare (CNPS 1B.3) California native shrub found in northwestern San Francisco Bay region on Mount Tamalpais in Marin County within serpentine chaparral at elevations of 250 to 800 meters. Flowering from February to April, this plant produces white to pink flowers in small clusters. Growing 0.5 to 2 meters tall with a mounded to erect form, it has twigs densely covered in short white non-glandular hairs. Its leaves are round to elliptic, 1 to 2.5 centimeters long and 1 to 1.5 centimeters wide, with a distinctive smooth texture. The fruit is relatively small, 6 to 8 millimeters wide with variable stone fusion.

Habitat: Serpentine chaparral

Bloom period: Feb-Apr

Elevation: 250-800 m

Bioregions: nw SnFrB (Mount Tamalpais, Marin Co.).

California counties: Marin

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