RSA - California Botanic Garden Herbarium (RSA:RSA)
7bd31c49-2a93-4fc5-8b50-01f57f500d3c
105944
Prosopis glandulosa var. torreyana (L.D. Benson) M.C. Johnst.
Fabaceae
Richard Mallory
405
1955-04-04
United States, California, San Diego, Borrego Desert State Park, Palm canyon 1 3/4 m west of Headquarters.
396 meters
1300ft.
Steep rocky south facing slope. Small areas of sand among large boulder support occasional Prosopis juliflora, Encelia farinosa, Salvia vaseyi and Beleperone californicum.
Low growing tree, 6-10ft tall, forming wide clump 30-60ft in diamter. Inconspicuous thorns make clump difficult to penetrate.