Tetracoccus Engelm. ex Parry
- Dataset
- English Wikipedia - Species Pages
Classification
Abstract
Tetracoccus is a plant genus under the family Picrodendraceae. Shrubby-spurge is a common name for plants in this genus. They are dioecious, often hairy shrubs. It was first described in 1885 by Charles Christopher Parry.Parry, Charles Christopher. 1885. West American Scientist 1(3): 13–14Tropicos Its name means, from Greek "four seed" (tetra meaning "four" and kokkos, "kernel, grain").
Distribution
The genus is native to the southwestern United States and northern Mexico, with species in desert or chaparral habitats.Kew World Checklist of Selected Plant FamiliesBiota of North America Program 2013 county distribution mapsGovaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.Martínez Gordillo, M., J. J. Ramírez, R. C. Durán, E. J. Arriaga, R. García, A. Cervantes & R. M. Hernández. 2002. Los géneros de la familia Euphorbiaceae en México. Anales del Instituto de Biología de la Universidad Nacional Autónoma de México, Botánica 73(2): 155–281.
Species
Species include:
Tetracoccus capensis (I.M.Johnst.) Croizat — endemic to Baja California Sur state (México).Tropicos.org: Tetracoccus capensis Tetracoccus dioicus Parry — endemic to the Peninsular Ranges in northwestern Baja California state (México); and southern California (U.S.) within San Diego, Orange, and Riverside Counties. Tetracoccus fasciculatus (S.Watson) Croizat — Mexico (Chihuahua, Durango, Nuevo León, and Puebla states). Tetracoccus hallii Brandegee — Mojave Desert and Sonoran Desert in California, Nevada, and Arizona (U.S.), and Baja California state (México). Sometimes treated as a variety under T. fasciculatus. Tetracoccus ilicifolius Coville & Gilman — endemic to Death Valley National Park, in the Mojave Desert and eastern Inyo County, California.
Tetracoccus capensis (I.M.Johnst.) Croizat — endemic to Baja California Sur state (México).Tropicos.org: Tetracoccus capensis Tetracoccus dioicus Parry — endemic to the Peninsular Ranges in northwestern Baja California state (México); and southern California (U.S.) within San Diego, Orange, and Riverside Counties. Tetracoccus fasciculatus (S.Watson) Croizat — Mexico (Chihuahua, Durango, Nuevo León, and Puebla states). Tetracoccus hallii Brandegee — Mojave Desert and Sonoran Desert in California, Nevada, and Arizona (U.S.), and Baja California state (México). Sometimes treated as a variety under T. fasciculatus. Tetracoccus ilicifolius Coville & Gilman — endemic to Death Valley National Park, in the Mojave Desert and eastern Inyo County, California.