What Is The Name For Cactus Spines?

What Is The Name For Cactus Spines? Glochids or glochidia (singular “glochidium”) are hair-like spines or short prickles, generally barbed, found on the areoles of cacti in the sub-family Opuntioideae. Are cactus spines trichomes? The trichome cluster of a cactus stem has unique structural features to survive in harsh arid areas. As shown in Figure