Rhamnus californica Eschsch.

RANCHO SANTA ANA BOTANIC GARDEN
Flora of the San Gabriel Mountains
Los Angeles County, California, U.S.A.
Rhanmaceae
Rhamnus californica Eschscholtz
ssp. californica
UPPER BIG TUJUNGA CANYON: Ridge and slopes
descending ± ENE from THORN (Triangulation Point
5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air-
miles ENE of Barley Flats). Chilao Flat USGS 7.5' quad;
T2N RI 1W, SW/4 SW/4 east to SE/4 SE/4 sect 5;
elevation ca 4100-5100 feet.
Upper ridgetop an old firebreak; remaining slopes
vested in fairly dense chaparral with Quercus chrysolepis
woodland occurring in patches in the more mesic lateral
draws.
Shrub, scattered in more mesic chaparral; leaves
serrate, essentially glabrous.
Timothy S. Ross 2909
Steve Boyd, Peter Fritsch
8 June 1990
03756266