Ceanothus oliganthus Nutt.

RANCHO SANTA ANA BOTANIC GARDEN
Flora of the San Gabriel Mountains
Los Angeles County, California, U.S.A.
Rhamnaceae
Ceanothus oliganthus Nuttall
var. oliganthus
Head of HORSE CANYON: N side of Horse Canyon
Saddle; T IN R9W, NE/4 NE/4 SW/4 NE/4 section 3;
elevation ca. 3160-3240 feet.
Erect shrubs 20-35 dm tall; locally common; corollas
pale to medium blue, largely past flowering; associated
locally with Galium angustifolium angustifolium, G.
cdtifornicum flaccidum, Umbellularia californica,
Rhamnus ilicifolia, Fraxinus dipetala, etc.
Timothy S. Ross 6226
21 April 1992
03753227