Ceratozamia is a genus of New World cycads in the family Zamiaceae. The genus contains 27 known currently living species and one or two fossil species. Most species are endemic to mountainous areas of Mexico, while few species extend into the mountains of Guatemala, Honduras and Belize. The genus name comes from the Greek ceras, meaning horn, which refers to the paired, spreading horny projections on the male and female sporophylls of all species.
Ceratozamia becerrae is a species of plant in the family Zamiaceae.
Ceratozamia euryphyllidia is a species of plant in the family Zamiaceae. It is found in Guatemala and in the Mexican state of Oaxaca and Veracruz. It is threatened by habitat loss.
Ceratozamia fuscoviridis is a species of plant in the family Zamiaceae. It is endemic to Hidalgo state in Mexico. It is a Critically endangered species, threatened by habitat loss.
Ceratozamia hildae, commonly known as the bamboo cycad, is a species of cycad in the family Zamiaceae that is endemic to Mexico. It is native to the Huasteca Potosina of Querétaro and San Luis Potosí, near the Santa Maria River. C. hildae inhabits deciduous oak woodlands at elevations of 850–1,300 m (2,790–4,270 ft). It is threatened by habitat loss and over-collecting.
Ceratozamia latifolia is a species of cycad in the family Zamiaceae that is endemic to Querétaro, Hidalgo and San Luis Potosí in Mexico. It inhabits cloud zone oak forests in the Sierra Madre Oriental.
Ceratozamia matudae is a species of plant in the family Zamiaceae. It is native to Mexico, where it occurs in the states of Chiapas and Oaxaca, and its distribution extends into western Guatemala. Though some populations are in protected areas, the species is still affected by habitat loss as forest is cleared for plantations.
Ceratozamia mexicana is a species of plant in the family Zamiaceae.
Ceratozamia miqueliana is a species of plant in the family Zamiaceae. It is endemic to Chiapas and Veracruz, Mexico. It is currently found in Coatzacoalcos and Santiago Tuxtla. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
Ceratozamia morettii is a species of plant in the family Zamiaceae. It is endemic to Mexico, where it is limited to the state of Veracruz north of Jalapa. It grows on steep clay and basalt cliffs in cloud forest habitat.
Ceratozamia norstogii is a species of plant in the family Zamiaceae. It is endemic to the Sierra Madre de Chiapas, in Chiapas and Oaxaca states of southwestern Mexico. It is an Endangered species, threatened by habitat loss.
Ceratozamia robusta is a species of plant in the family Zamiaceae. It is found in Belize, Guatemala, and Mexico. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
Ceratozamia sabatoi is a species of plant in the family Zamiaceae. It is endemic to Mexico, where it occurs in the states of Hidalgo and Querétaro. It is known from only two localities, one of which is degraded by agriculture and grazing.
Ceratozamia whitelockiana is a species of plant in the family Zamiaceae. It is endemic to Mexico, where it is known only from Metates and Chiapan in Oaxaca state. Only two subpopulations have been found, with a total population of about 2200 individuals. The habitat is threatened by conversion to plantations using slash-and-burn techniques.
Zamia lacandona is a species of plant in the family Zamiaceae. It is endemic to Mexico, where it occurs only in the state of Chiapas, near Palenque and Agua Azul.
Zamia paucijuga is a species of plant in the cycad family Zamiaceae.
Zamia prasina is a species of plant in the family Zamiaceae. It is native to Yucatán, Campeche, Quintana Roo, Tabasco and Chiapas in Mexico and Guatemala and Belize. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.
Zamia soconuscensis is a species of plant in the family Zamiaceae. It is endemic to the Soconusco Mountains of Chiapas, Mexico. It is threatened by habitat loss. About 5,000 individuals remain in the wild.
Ceratozamia mirandae is a species of cycad in the family Zamiaceae endemic to Chiapas and Oaxaca, Mexico. It is found on the slopes of the Sierra Madre de Chiapas and Sierra de Niltepec, near La Tigria.
Ceratozamia vovidesii is a species of cycad in the family Zamiaceae endemic to the Sierra Madre de Chiapas of Mexico.
