Ceratozamia kuesteriana
Encyclopedia
Ceratozamia kuesteriana is a species of cycad
Cycad
Cycads are seed plants typically characterized by a stout and woody trunk with a crown of large, hard and stiff, evergreen leaves. They usually have pinnate leaves. The individual plants are either all male or all female . Cycads vary in size from having a trunk that is only a few centimeters...

 in the Zamiaceae
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 warm temperate regions of Africa, Australia and North and South America....

 family that is endemic to the Sierra Madre Oriental
Sierra Madre Oriental
The Sierra Madre Oriental is a mountain range in northeastern Mexico.-Setting:Spanning the Sierra Madre Oriental runs from Coahuila south through Nuevo León, southwest Tamaulipas, San Luis Potosí, Querétaro, and Hidalgo to northern Puebla, where it joins with the east-west running Eje Volcánico...

 of Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

.

It is restricted to steep slopes in pine-oak
Sierra Madre Oriental pine-oak forests
The Sierra Madre Oriental pine-oak forests are a subtropical coniferous forest ecoregion of northeastern and Central Mexico, extending into the state of Texas in the United States.-Setting:...

 dominated cloud forests
Veracruz moist forests
The Veracruz moist forests are an ecoregion, in the tropical and subtropical moist broadleaf forest biome, in eastern Mexico.-Setting:The Veracruz moist forests cover an area of , occupying a portion of Mexico's Gulf Coastal Plain between the Sierra Madre Oriental and the Gulf of Mexico...

 between Gómez Farías and Tula
Tula, Tamaulipas
-External links:* Official website...

 in southern Tamaulipas
Tamaulipas
Tamaulipas officially Estado Libre y Soberano de Tamaulipas is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 43 municipalities and its capital city is Ciudad Victoria. The capital city was named after Guadalupe Victoria, the...

.

C. kuesteriana is threatened by habitat loss and collecting. The total wild population is believed to number no more than 300 plants.
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