The Gran Chaco or Dry Chaco is a sparsely populated, hot and semiarid lowland natural region of the Río de la Plata basin, divided among eastern Bolivia, western Paraguay, northern Argentina, and a portion of the Brazilian states of Mato Grosso and Mato Grosso do Sul, where it is connected with the Pantanal region. This land is sometimes called the Chaco Plain.
Acanthocereus is a genus of cacti. Its species take the form of shrubs with arching or climbing stems up to several meters in height. The generic name is derived from the Greek word άκανθα (acantha), meaning spine, and the Latin word cereus, meaning candle. The genus is native to the mostly tropical Americas from Texas and the southern tip of Florida to the northern part of South America, including islands of the Caribbean.
Echinopsis is a large genus of cacti native to South America, sometimes known as hedgehog cactus, sea-urchin cactus or Easter lily cactus. One small species, E. chamaecereus, is known as the peanut cactus. The 128 species range from large and treelike types to small globose cacti. The name derives from echinos hedgehog or sea urchin, and opsis appearance, a reference to these plants' dense coverings of spines.
Pereskia, as traditionally circumscribed, is a genus of 17 tropical species and varieties of cacti that do not look much like other types of cacti, having substantial leaves and thin stems. They originate from the region between Brazil and Mexico. Members of this genus are usually referred to as lemon vines, rose cacti or leaf cacti, though the latter also refers to the genus Epiphyllum. The genus is named after Nicolas-Claude Fabri de Peiresc, a 16th-century French botanist.
Harrisia is a genus of night blooming cacti native to Argentina, Paraguay, Brazil, Bolivia, Uruguay, the Greater Antilles, the Bahamas, and the U.S. state of Florida. The genus is named after William Harris, an important botanist of Jamaica. There are about 20 species.
Mammillaria guelzowiana is a species of plant in the family Cactaceae. The species epithet guelzowiana honors the German cactus collector Robert Gülzow of Berlín.
Cereus repandus, the Peruvian apple cactus, is a large, erect, thorny columnar cactus found in South America. It is also known as giant club cactus, hedge cactus, cadushi, and kayush.
Gymnocalycium mihanovichii is a species of cactus from South America. The most popular cultivars are varied mutants which completely lack chlorophyll, exposing the red, orange, or yellow pigmentation. These mutant strains are often grafted onto the hylocereus cactus, and the combined plant is called a "Moon Cactus". Moon cacti are commonly grown as houseplants and are also known as Ruby Ball, Red Cap, Red Hibotan, or Hibotan cacti.
Harrisia fragrans is a rare species of cactus known by the common names fragrant prickly apple and Caribbean applecactus. It is endemic to Florida, where it is known mainly from St. Lucie County. The plant's habitat has been almost completely consumed by development, leading to its rarity. It is a federally listed endangered species of the United States.
Mammillaria spinosissima, also known as the spiny pincushion cactus, is a species of flowering plant in the cactus family Cactaceae, endemic to the central Mexican states of Guerrero and Morelos, where they grow at elevations of approximately 1,600 to 1,900 metres. The species was described in 1838 by James Forbes, gardener of the Duke of Bedford. Botanist David Hunt collected a specimen in 1971, when he located one near Sierra de Tepoztlan, Mexico.
Cereus is a genus of cacti including around 33 species of large columnar cacti from South America. The name is derived from Greek (κηρός) and Latin words meaning "wax", "torch" or "candle". The genus Cereus was one of the first cactus genera to be described; the circumscription varies depending on the authority. The term "cereus" is also sometimes used for a ceroid cactus, any cactus with a very elongated body, including columnar growth cacti and epiphytic cacti.
Echinopsis candicans is a species of cactus from northern and western Argentina. It has large fragrant white flowers that open at night.
Cereus hildmannianus is a species of cactus from southern South America. Its distribution is uncertain but probably includes Brazil, Paraguay, Uruguay and Argentina.
Gymnocalycium fischeri is a globular cactus of the family Cactaceae. The first description was in 2002 by Josef Halda Jacob, Petr Kupčák, Emil Lukasik and Jaromír Sladkovský. The specific epithet honors the Czech cactus collector Ladislav Fischer.
Gymnocalycium anisitsii is a globular cactus belonging to the family Cactaceae. The specific epithet honors the Hungarian pharmacist Dániel Anisits J. (1856-1911).
Parodia schumanniana is a quite rare species of succulent plant in the family Cactaceae. The specific epithet schumanniana honors the cactus specialist Karl Moritz Schumann.
Echinopsis terscheckii, commonly known as the cardon grande cactus or Argentine saguaro, is a large cactus native to South America and popular in cultivation.
Austrocylindropuntia subulata is a species of cactus native to the Peruvian Andes. The name subulata comes from the Latin subulate, for awl-like, referring to the shape of the rudimentary leaves. It is also known by its common names as Eve's pin and Eve's needle.
Parodia ottonis, also known as Indian head cactus, is a cactus found in Argentina, Brazil, Paraguay and Uruguay. There are two recognized subspecies. The epithet ottonis honors the German botanist Christoph Friedrich Otto.
Praecereus saxicola is a flowering plant in the family Cactaceae that is found in Bolivia, Argentina and Paraguay
