High Quality Content by WIKIPEDIA articles! Arctostaphylos tomentosa is a species of manzanita known by the common name woollyleaf manzanita. This shrub is endemic to California where it is a resident of chaparral canyons, foothills, and lower-elevation mountains. One specialized habitat in which A. tomentosa is found is the Monterey Cypress forests at Point Lobos and Del Monte Forest in Monterey County, California.