Desert is a dry, large area of land with very few plants. 

Spine is a sharp point on a plant or animal. 

Prickly pear cactus is a type of cactus or desert plant which has long spines and bears oval fruits. 

Saguaro cactus is a giant cactus from southwestern USA and Mexico that can grow up to 60 feet tall. 

Bloom means if a flower blooms, it opens. 

Sweeten means to make something taste sweet. 

Edible means safe or good enough to eat. 

High quality means very good.