
Pachycereus is a genus of large cacti native to Central America and Mexico. They form large shrubs or small trees up to 15 m tall, with stout stems up to 1 m in diameter. Pachycereus comes from the ancient Greek παχύς (pachys) meaning "thick" and the Latin cereus meaning "torch".
Mexican Giant Cactus
GENUS
via GBIF · iNaturalist · CC0
Pachycereus is a genus of large cacti native to Central America and Mexico. They form large shrubs or small trees up to 15 m tall, with stout stems up to 1 m in diameter. Pachycereus comes from the ancient Greek παχύς (pachys) meaning "thick" and the Latin cereus meaning "torch".
==Taxonomy== ===Species=== , Plants of the World Online accepted six species: {| class="wikitable sortable" |- ! Image !! Scientific name !! Common name !! Distribution |- | || Pachycereus grandis Rose|| ||Mexico (México State, Morelos, Oaxaca, Puebla) |- |120px || Pachycereus pecten-aboriginum (Engelm. ex S.Watson) Britton & Rose || Indian comb ||Mexico |- |120px || Pachycereus pringlei (S.Watson) Britton & Rose || cardón cactus ||states of Baja California, Baja California Sur, and Sonora Mexico |- | || Pachycereus tepamo Gama & S.Arias || ||Mexico (Michoacán) |- |120px || Pachycereus weberi (J.M.Coult.) Backeb. || ||Mexico (Guerrero, Oaxaca, Puebla) |} P. pringlei is the tallest cactus species in the world, with a maximum recorded height of 19.2 m.
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