Arctostaphylos nissenana is a species of manzanita known by the common name Nissenana manzanita or El Dorado manzanita.[1] It is endemic to California, where it grows in the woodlands and chaparral of the Sierra Nevada foothills, mostly in El Dorado County.
Arctostaphylos nissenana is a shrub reaching a maximum height between one half and 1.5 meters, with gray bark and fuzzy twigs. The leaves are grayish in color, smooth or fuzzy, oval in shape, and 1 to 2 centimeters long. It blooms in plentiful small clusters of urn-shaped manzanita flowers, each with five lobes at its mouth. The fruit is a cylindrical drupe a few centimeters long which contains five seeds.