I photographed these budding and flowering cacti in March, in Big Bend National Park, Texas. They were growing either in, or near, the Chihuahua Desert Nature Trail which can be a rather prickly place to navigate. Walk carefully, mindfully and sedately and it becomes a lot easier.
Seeing cacti in flower is special. The blooms are large and cup-like, and of those I’ve seen, they were either pink or yellow.
These are Opuntia. Many years ago I collected cacti and grew them indoors, but they never flowered, probably because I didn’t know enough about them at the time to care for them properly.
I gave up on keeping various types of indoor cacti when I got spikes and tiny hair-like prickles embedded in my hands once too often!