Easter cactus flowers are more flat, star-shaped and tend to point upward. Holiday cactus flowers can be red, pink, peach, yellow, purple, fuchsia, salmon, orange, or white.

Astrophytum, a star-shaped variety that germinates in anywhere between a week and a month, ... Ferocactus, a ribbed, spiny, barrel-shaped cactus that is slow-growing but long-lived.

Between crested cactuses and the "four-arm flexing" cactus, Arizona's native flora can take some unusual shapes. Tucson even has the kissing cactus, which looks like a couple embracing. But the T ...

A new machine learning model shows that star-shaped brain cells may be responsible for the brain's memory capacity, and someday, it could inspire advances in AI and Alzheimer's research.

The iconic metro Phoenix cactus shaped like a dinosaur is now headless. Here's what to know about the unusual cactus in the Superstition Mountains.

Reddit users reported that the unusually shaped cactus, which is located just off a popular hiking trail in the Superstition Mountains outside metro Phoenix, lost a key piece of its shape this summer.

They bloom in a crown of small pink star-shaped flowers which then turn into bright red fruit. The body of the cactus is a grayish green, which can be hard to spot in brushy areas.

Blue Cactus delivers dreamy country and Americana sounds that will keep your head in the clouds. Blue Cactus’ electrified twang branches out effortlessly into folk, alt-country and psychedelic ...

Tucson even has the kissing cactus, which looks like a couple embracing. But the T-Rex cactus, located in the Superstition Mountains outside metro Phoenix , may be the most unusually shaped cactus.