Echinocereus is a genus of ribbed, usually small to medium-sized cylindrical cacti, comprising about 70 species native to the southern United States and Mexico in very sunny rocky places. Usually the flowers are large and the fruit edible.
The name comes from the Ancient Greek, meaning "hedgehog," and the Latin cereus meaning "candle." They are sometimes known as hedgehog cacti, a term also used for the Pediocactus and Echinopsis. Source
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