familyEricaceae
subfamilyEricaceae subfam. Arbutoideae
genusArctostaphylos
speciesArctostaphylos canescens
Arctostaphylos canescens subsp. sonomensis
Madroño 35: 333. 1989 ,.
Common names: Sonoma manzanita
Endemic
Basionym: Arctostaphylos sonomensis Eastwood Leafl. W. Bot. 1: 78. 1933
Synonyms: Arctostaphylos canescens var. sonomensis (Eastwood) J. E. Adams ex McMinn
Treatment appears in FNA Volume 8. Treatment on page 429.
Twigs softly white-hairy and glandular-hairy. Immature inflorescence axes glandular-hairy. Pedicels glandular-hairy. Fruits glandular-hairy.
Phenology: Flowering early winter–late spring.
Habitat: Chaparral, open forests
Elevation: 400-1700 m
Discussion
Subspecies sonomensis is scattered in the North Coast Ranges from Santa Cruz County northward to Humboldt County, often in mixed populations with subsp. canescens. It was originally thought to be a rare subspecies; more intensive investigation may reveal individuals in populations throughout the range of the species.
Selected References
None.
Lower Taxa
None.