| Larrea | ||||||||||||
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 Larrea tridentata | ||||||||||||
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| *Larrea ameghinoi |
Larrea is a genus of five species of New World evergreen shrubs that includes the Creosote bush Larrea tridentata of North America and the Jarillas of South America.
The South American species are closely related, and hybrids are partially fertile.
References
- T. J. Mabry, J. H. Hunziker, and D. R. Di Feo, D. R. (Eds.). Creosote Bush: Biology and Chemistry of Larrea in New World Deserts US/IBP Synthesis Series N° 6 (Dowden, Hutchinson and Ross, Inc. PA, 1977)
- Juan H. Hunziker and Cecilia Comas, "Larrea interspecific hybrids revisited (Zygophyllaceae)" Darwiniana, 40(1-4): pp. 33-38 (2002)