RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Pinaceae (Pinus)



Pinus (quadrifolia)


Pinaceae

Pine family


Pinus

quadrifolia



Parl ex. Sudw.










Four leaf pinyon pine

PINQUA


P. quadrifolia is found on the western edge of the Colorado desert in Arizona and California to lower California.


plants

seed

Container (plug)


0



Seeds are non dormant.

Germination occurs at 30D/20N C alternating temperature cycle.












Krugman, S. L. and Jenkinson, J. L. (1974). Pinus L. Pine. Pp. 598-638. In: C. S. Schopmeyer (Tech. Coord.). Seeds of woody plants in the United States. USDA. Forest Service. Agriculture Handbook No. 450.
Table 10.38 In: Baskin, C.J. and Baskin, J.M. Seeds: Ecology, Biogeography and Evolution in Dormancy and Germination, Academic Press, 1998. Chapter 10: A Geographical Perspective on Germination Ecology: Temperate and Arctic Zones, pages 331 to 458.

Baskin, Jerry M.; Baskin, Carol C.. 2002. Propagation protocol for production of Container (plug) Pinus quadrifolia Parl ex. Sudw. plants University of Kentucky Lexington, Kentucky. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/12/22). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.