Published in Farjon, A. In: A Handbook of the World’s Conifers. Vol. 1 & 2. E. J. Brill, Leiden & Boston. 1112 pp. (2010).
The native range of this species is California to W. Arizona and Mexico (Baja California, Cedros Islands, Guadalupe). It is a shrub or tree and grows primarily in the temperate biome.