Though they belong to the cactus family, Christmas cacti are native to rainforests, not deserts. In their native home in ...

Key Largo tree cactus becomes 1st-ever US species to become extinct due to rising sea levels. The rapid decline of the species could signify a similar fate for other plants.

Here's your chance to show off your Christmas cactus. If you live in Wisconsin and have a Christmas cactus with a long family history, we would love to hear about it.

We are finally untangling the ancient history of the cactus family, revealing some surprising forces that shaped these plants ... Giant tree-like cactuses called saguaros in Arizona, USA.

The Key Largo Tree Cactus is now the first U.S. species to become extinct due to rising sea levels, according to a study done by the Botanical Research Institute of Texas.. A look at the world ...

The Key Largo tree cactus is first plant of its kind to go extinct in the United States from sea-level rise, scientists say. Accessibility statement Skip to main content.

The species in question is the Key Largo tree cactus (Pilosocereus millspaughii)—a tube-like cactus plant that can grow up to 20 feet tall.