Tetracoccus (plant)
| Tetracoccus | |
|---|---|
| |
| Tetracoccus dioicus | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malpighiales |
| Family: | Picrodendraceae |
| Tribe: | Podocalyceae |
| Subtribe: | Tetracoccinae |
| Genus: | Tetracoccus Engelm. ex Parry |
| Type species | |
| Tetracoccus dioicus | |
| Synonyms[1] | |
|
Halliophytum I.M.Johnst. | |
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.[2]
It was first described in 1885 by Charles Christopher Parry.[3][4] Its name means, from Greek "four seed" (tetra meaning "four" and kokkos, "kernel, grain").
Distribution[edit]
The genus is native to the southwestern United States and northern Mexico, with species in desert or chaparral habitats.[1][5][6][7][8]
Species[edit]
Species include:[1]
- Tetracoccus capensis (I.M.Johnst.) Croizat — endemic to Baja California Sur state (México).[9]
- 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.
See also[edit]
References[edit]
- ^ a b c Kew World Checklist of Selected Plant Families
- ^ "Tetracoccus in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2021-08-26.
- ^ Parry, Charles Christopher. 1885. West American Scientist 1(3): 13–14
- ^ Tropicos
- ^ Biota of North America Program 2013 county distribution maps
- ^ Govaerts, 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.
- ^ USDA, NRCS (n.d.). "Tetracoccus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 8 December 2015.
- ^ Tropicos.org: Tetracoccus capensis
External links[edit]
Media related to Tetracoccus at Wikimedia Commons
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