''Ceratozamia alvarezii'' is a species of
plant
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...
in the family
Zamiaceae
The Zamiaceae are a family of cycads that are superficially palm or fern-like. They are divided into two subfamilies with eight genera and about 150 species in the tropical and subtropical regions of Africa, Australia and North and South America. ...
. It is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
, where it is known only from
Chiapas
Chiapas (; Tzotzil language, Tzotzil and Tzeltal language, Tzeltal: ''Chyapas'' ), officially the Free and Sovereign State of Chiapas ( es, Estado Libre y Soberano de Chiapas), is one of the states that make up the Political divisions of Mexico, ...
.
It is found near
Rizo de Oro in the
Sierra Madre de Chiapas
The Sierra Madre de Chiapas is a major mountain range in Central America. It crosses El Salvador, Guatemala, Mexico and Honduras. The Sierra Madre de Chiapas is part of the American Cordillera, a chain of mountain ranges that consists of an almos ...
.
There are only two known subpopulations of this species, one of which comprises about 300 individuals. The species is threatened by habitat loss as land is cleared for agriculture.
References
Further reading
*Perez-Farrera, M. A., Vovides, A. P., & Iglesias, C. (1999)
A new species of ''Ceratozamia'' (Zamiaceae, Cycadales) from Chiapas, Mexico.''Novon'' 9 410–413.
alvarezii
Endemic flora of Mexico
Flora of Chiapas
Plants described in 1999
Endangered plants
Endangered biota of Mexico
Taxonomy articles created by Polbot
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