While studying bats in Mexico, a Florida scientist discovered a cactus with an unusual sex life. The cardon cactus is “trioecious,” or has three sexes – male, female and hermaphrodite. The cardon is ...

In a surprising result, scientists have found that the insect-eating pallid bat is a more effective pollinator of cardon cactus flowers than a nectar-feeding specialist, the lesser long-nosed bat. Of ...

During the month of June, the Sonoran Desert of northern Mexico and the southwestern United States is best known for its extreme heat and lack of rainfall. Arizona set the record for the highest known ...

Biologists continue to debate the genealogy of the cactus family, even differing by a factor of 10 about how many different genera there are. A study based on new genome sequences of four columnar ...