Chamal (Dioon edule Lindl.) in the State of San Luis Potosí, México
نویسنده
چکیده
INTRODUCTION A 20% of world cycad species are found in Mexico, 80% of which are endemic (Vovides, 2000). At least nine species are present in the state of San Luis Potosí: Dioon edule, Zamia fi scheri, Z. loddigesii, Ceratozamia hildae, C. kuesteriana, C. latifolia, C. mexicana, C. microstrobila, and C. zaragozae (Yáñez-Espinosa, 2006) [Ed’s note: Zamia vazquezii is also found in San Luis Potosi]. Dioon edule LINDL. is the most widely distributed, particularly in the Huasteca zone located in the Sierra Madre Oriental. Habitat deterioration of D. edule is evident, since many natural forests have been converted into either pastureland for cattle or sugarcane fi elds. Cattle breeding has been devastating for Chamal (Dioon edule Lindl.) in the State of San Luis Potosí, México Laura Yáñez-Espinosa*
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