Mammillaria is one of the largest genera in the cactus family (Cactaceae), with currently 200 known species and varieties recognized. Most of the mammillaria are native to Mexico, but some come from the southwest United States, the Caribbean, Colombia, Venezuela, Guatemala and Honduras. The common name "pincushion cactus" refers to this and the closely related genus Escobaria.
Fishhook cactus is a common name for any hook-spined species of the genera Mammillaria, Echinomastus or Sclerocactus. They are small cacti, usually growing up to 6-7 inches (20 cm) high, and are shaped similar to a barrel cactus. They are not to be confused with the fishhook barrel cactus of the Sonoran and Chihuahuan Deserts. The Fishhook cactus is a large category of around 150 species.
Astrophytum capricorne, the goat's horn cactus, is a species of flowering plant in the cactus family Cactaceae, that is native to the Coahuila regions of Northern Mexico. Growing to 25 centimetres (9.8 in) tall by 10 centimetres (3.9 in) wide in a ball or oval shape, it is grey-green in colour with 7 to 9 prominent ribs, very long twisted spines and yellow flowers with a red centre in summer.
Ariocarpus agavoides is a species of cactus. It is endemic to Mexico. It grows in dry shrubland in rocky calcareous substrates.
Mammillaria albiflora is a species of plant in the family Cactaceae. It is endemic to Guanajuato state in central Mexico. Its natural habitat is hot deserts. It is a Critically endangered species, threatened by habitat loss.
Mammillaria duwei is a species of flowering plant in the cactus family. It is endemic to Mexico, where it occurs only in the state of Guanajuato. It is known from only one location. It is known commonly as the biznaguita.
Cochemiea guelzowiana is a species of plant in the family Cactaceae. The species epithet guelzowiana honors the German cactus collector Robert Gülzow of Berlín.
Mammillaria guillauminiana is a species of plant in the family Cactaceae.
Mammillaria luethyi is a species of cactus which is endemic to Coahuila in Mexico. It grows in only two locations in semidesert habitat. It is also commonly cultivated as an ornamental plant.
Mammillaria painteri is a species of plant in the family Cactaceae. It is endemic to Mexico. It is usually found near, but not limited to, San Juan del Rio, Guanajuato. It is commonly referred to as the biznaguita in Spanish. It is also known by many to be synonymous with Mammillaria crinita subspecies crinita. It was evaluated and added to the IUCN Redlist in 2002 as data deficient. The causes of this species' endangerment or threats to its well-being are not clear.
Mammillaria pennispinosa is a species of cactus. It is endemic to Mexico, where it is known only from a single location in Durango. Its total population is fewer than 1250 individuals. They grow on volcanic rock in desert habitat.
Mammillaria weingartiana is a species of plant in the family Cactaceae. It is endemic to Nuevo León state, Mexico.
Mammillaria rhodantha, the rainbow pincushion, is a plant in the cactus family (Cactaceae) and is one of 171 species in the genus Mammillaria which are characterized by having nipple-shaped tubercles or prominences on their surface.
Mammillaria bombycina, the silken pincushion cactus, is a species of flowering plant in the family Cactaceae.
Mammillaria geminispina, the twin spined cactus, is a species of flowering plant in the family Cactaceae, native to central Mexico. It grows to 25 cm (10 in) tall by 50 cm (20 in) broad. The clustering spherical stems, 8 cm in diameter, are covered in white down and white spines. Carmine pink flowers are borne in summer and autumn.
Mammillaria plumosa, the feather cactus, is a species of flowering plant in the family Cactaceae, native to Northeastern Mexico.
Mammillaria glassii is a species of cactus in the subfamily Cactoideae. It is a small, clumping cactus with "fluffy white spines." M. glassii is native to Mexico in the states of Coahuila and Nuevo León.
Mammillaria bocasana is a species of cactus in the subfamily Cactoideae. It is often sold as a "powder puff" cactus, and also as a "Powder Puff Pincushion." The plant is protected from collecting in the wild in Mexico.
Mammillaria surculosa is a species of flowering plant in the cactus family Cactaceae, native to north eastern Mexico, where it occurs in extremely isolated patches at altitudes of 950–1,200 m (3,120–3,940 ft). It is registered as “Endangered” by the IUCN Red List. Growing to 10 cm (3.9 in) tall by 50 cm (20 in) wide, this tiny plant forms colonies of spiny stems with relatively large, lemon yellow flowers in spring.
Mammillaria laui is a species of cactus in the genus Mammillaria, native to Tamaulipas state in Mexico. A number of subspecies were described, occurring along an elevation gradient; these are no longer accepted. It is listed as Critically Endangered (CR) in the wild. As Mammillaria lauii it has gained the Royal Horticultural Society's Award of Garden Merit.
