a type of large cactus (= a desert plant with sharp points) that has upright branches and grows mainly in the southwestern United States

Saguaros first blossom when they are 50 to 60 years old. 树形仙人掌在 50 至 60 岁时首次开花。

It is a desert landscape of canyons, copper mines, and saguaro cactuses. 这是一幅峡谷、铜矿和巨型仙人掌的沙漠景观。