The spines of the jumping cholla cactus slide in with ease, but they’re grueling to extract. You can thank their barbs. ByKatherine J. Wu Tuesday, November 20, 2018 NOVA NextNOVA Next This unfortunate ...

Newcomers to the desert are having horrible accidents with cholla. One was a golfer who fell into one making a shot in the rough. Another mountain biker got flipped into major cholla and had to be ...

The jumping cholla cactus’ innocuous, shrub-like appearance belies its prickly spines’ strength: As a new study published in Proceedings of the Royal Society B reveals, a single cholla spine embedded ...

The Cholla Cactus Garden, located about 12 miles south of the park's North Entrance, is home to one of the few stands of cholla cactus in the park. The short, quarter-mile Cholla Cactus Garden Nature ...

This is not a story about the Christmas cactus, a succulent with wintertime blooms and Central American origin. The Christmas cholla, or Cylindropuntia leptocaulis, as its scientifically known, bears ...

Deserts around Tucson — after putting on an early but sporadic wildflower show — are making up for that somewhat tepid start with a bonanza of colorful cactus blooms in late April. Saguaro, cholla and ...