Article
Timing and rate of speciation in Agave (Agavaceae).
Proceedings of the National Academy of Sciences of the United States of America - 13 Jun 2006
Good-Avila Sara V, Souza Valeria, Gaut Brandon S, Eguiarte Luis E
Abstract excerpt
The Agave (Agavaceae) are keystone species of semiarid to arid regions where the geographic center of origin is Mexico but whose populations spread from the southwestern U.S. through Central America, the Caribbean, and into northern South America. Our analyses indicate that Agave is a young genus, between 7.8 and 10.1 million years old, and yet it harbors the most species of any genera in the family. Of the eight...
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