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Ferocactus is a genus of large barrel-shaped cacti, mostly with large spines and small flowers. There are about 30 species included in the genus. There are about 30 species included in the genus. They are found in the southwestern United States and northwestern Mexico.
Ferocactus cylindraceus is a species of barrel cactus which is known by several common names, including California barrel cactus, Desert barrel cactus, compass barrel cactus, and miner's compass. It was first described by George Engelmann in 1853.
Ferocactus wislizeni, the fishhook barrel cactus, also called Arizona barrel cactus, candy barrel cactus, and Southwestern barrel cactus, is a species of flowering plant in the cactus family Cactaceae, native to northern Mexico and the southern United States. It is a ball-shaped cactus eventually growing to a cylindrical shape, with spiny ribs ...
Barrel cacti are cultivated by plant nurseries as an ornamental plant. They are considered easy to grow and relatively fast growing. They may produce round offshoots. Barrel cacti can fall over because they grow based on sun orientation. They usually grow towards the south to prevent surface tissue sunburn, giving the name "compass cactus." [4]
The species name "hamatacanthus" comes from the Latin "hamatus," meaning "hook," and the Greek "akanthos," meaning "spines," referring to the hooked central spines of the plant. In 1922, Nathaniel Lord Britton and Joseph Nelson Rose reclassified the species into the genus Ferocactus. [4] Plate from The Cactaceae Vol III, plate XVI
Ferocactus viridescens is a species of flowering plant in the cactus family Cactaceae. This barrel cactus is known by several common names, including coast barrel cactus , keg cactus [ 3 ] and San Diego barrel cactus .
Ferocactus glaucescens is a solitary or branching cactus with spherical or cylindrical blue-green frosted shoots, growing up to 45 cm (18 in) in height and 60 cm (24 in) in diameter. The shoots have slightly depressed apices and 12 to 17 sharp-edged, non-tuberculated ribs with elongated areoles that are often connected.
Ferocactus diguetii grows at elevations of 10–300 m (33–984 ft). [4] Britton and Rose noted that the species did not seem to have a definite habitat, growing on from mountainsides along large igneous rocks to old shell beaches. [7] The plant grows along with Bursera microphylla and Pachycereus pringlei.