What is Hindi name of cactus?

There isn't a single, universally accepted Hindi name for cactus. It depends on the specific type of cactus and the region. Here are some possibilities:

* नागफनी (Naagphani): This is a common name for cacti in Hindi, especially the prickly pear cactus.

* काँटेदार पेड़ (Kantedaar Ped): This literally means "thorny tree" and is a general term used for any prickly plant, including cacti.

* सगुआरो (Saguaro): This is the Hindi name for the iconic Saguaro cactus, native to the Sonoran Desert.

* कैक्टस (Cactus): The English word "cactus" is often used directly in Hindi.

Therefore, the best Hindi name for a cactus will depend on the specific type and the context of the conversation.