Barrel cacti are various members of the two genera Echinocactus and Ferocactus, endemic to the deserts of Southwestern North America southward to north central Mexico. Some of the largest specimens are found in the Sonoran Desert.
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 and red or yellow flowers in summer.
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 glaucescens, the glaucous barrel cactus, is a species of flowering plant in the family Cactaceae, native endemic to México.
Ferocactus echidne is a barrel cactus in the genus Ferocactus. It is found in nature in Mexico. This cactus is known commonly as Sonora barrel, Coville's barrel cactus, Emory's barrel cactus, and traveler's friend. This plant is often sold as a houseplant.
Ferocactus peninsulae is a barrel cactus in the genus Ferocactus of the family Cactaceae.
Ferocactus robustus is a barrel cactus in the genus Ferocactus of the family Cactaceae.
Ferocactus pilosus, also known as Mexican lime cactus or Mexican fire barrel, is a species of cactus in North America.
Pachycereus pecten-aboriginum is a columnar cactus plant native to Mexico. They can grow up to 15 m (49 ft) high. The trunk of this species is 1.2 to 5.0 m tall and the fruits are large and burr-like. The specific name, pecten-aboriginum, is from the Latin, and means "native combs". It was inspired by the use of the fruits as hair combs.
Ferocactus emoryi, known commonly as Emory's barrel cactus, Coville's barrel cactus and traveler's friend, is a barrel cactus in the genus Ferocactus.
Ferocactus alamosanus is a species of Ferocactus from Mexico.
Ferocactus chrysacanthus, commonly known as the Cedros barrel cactus, is an endangered species of cactus endemic to the islands of Cedros and West San Benito off the Pacific coast of Baja California, Mexico.
Ferocactus flavovirens is a species of Ferocactus from Mexico.
Ferocactus gracilis, the fire barrel cactus, is a species of Ferocactus from Northwestern Mexico. This cactus gets its common name from the striking red coloration of its defensive spines and flowers.
Ferocactus townsendianus, commonly known as the Townsend barrel cactus, is a species of cactus endemic to southern Baja California Sur in Mexico. It is a barrel cactus that grows solitary stems up to 1 metre (3.3 ft) tall, with gray to brown spines, with one central spine on each areole usually curved or hooked at the tip, and orange to red flowers that bloom from May to August. Ferocactus townsendianus is similar to both Ferocactus peninsulae and Ferocactus santa-maria, and is sometimes placed under peninsulae as a variety or subspecies.
Ferocactus schwarzii is a species of Ferocactus from Mexico.
Ferocactus pottsii is a species of Ferocactus from Mexico. The specific epithet has also been spelt pottsi.
Ferocactus histrix, also known as Acitrón barrel cactus is a species of Ferocactus native to central Mexico. It is a large barrel cactus that can be commonly found throughout all the Central Mexican matorral. It produces an edible fruit appreciated for its sour taste.
Ferocactus lindsayi is a species of Ferocactus found in Mexico.
Ferocactus tiburonensis is a species of Ferocactus found in Mexico.
