You are buying 10 seeds 

Common Name: Barbed-Wire Cactus
Synonym: Cactus tetragonus, Cereus tetragonus, Cactus pentagonus, Cereus pentagonus, Acanthocereus pentagonus, Cereus acutangulus, Acanthocereus acutangulus, Cereus princeps, Acanthocereus princeps, Cereus variabilis, Acanthocereus floridanus

 
Distribution:  Costa Rica : Honduras : Panama : Florida, Texas - United States : Mexico : Colombia : Venezuela (Central America, North America, South America)

The best use after collecting is a very good grafting stock for cactus, I use a lot this kind of cereus for graft most of my slow growing cactus.

Don't miss this one , Acanthocereus tetragonus is a species of cactus that is native to southern Florida and the Lower Rio Grande Valley of Texas in the United States, Mexico, Central America, Caribbean, and northern South America. Common names include Night-blooming Cereus, Barbed-wire Cactus, Sword Pear, Dildo Cactus, Triangle Cactus, and Órgano-alado de Pitaya (Spanish).

young stems of the Barbed-wire Cactus can be eaten as a vegetable either cooked or raw, while the fruits are edible and sweet. It is sometimes cultivated as an ornamental. The Fairy Castle Cactus, a miniature cultivar of this species, has many curved branches that resemble the turrets of a castle.

 We have a lot of extremely rare cactus if you want something rare let me know and I will listing for you. Questions? feel free to email me.