| Eriosyce | |
|---|---|
 | |
| Eriosyce aurata | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Tribe: | Notocacteae |
| Genus: | Eriosyce Phil. [1] |
| Type species | |
| Eriosyce aurata | |
| Species | |
They are spherical to cylindrical plants that rarely sprout. The plants reach heights of growth of up to 1 m and have a diameter of up to 50 cm. They form 7 to 30 ribs on which the thorn-bearing areoles sit. The ribs are deepened between the areoles. The flowers usually appear near the apex, are funnel-shaped and yellow to red in color. The fruits are hollow, often woolly berries, in which the seed is usually loose. The berries often tear open at the base. The seeds are 0.7 to 3 mm long.
As of December 2022 [update] , Plants of the World Online accepts the following species: [1]
| Image | Scientific name | Distribution |
|---|---|---|
| Eriosyce andreaeana Katt. | Argentina (La Rioja) | |
| Eriosyce armata (F.Ritter) P.C.Guerrero & Helmut Walter | Chile | |
 | Eriosyce aspillagae (Söhrens) Katt. | Chile |
| Eriosyce atroviridis (F.Ritter) P.C.Guerrero & Helmut Walter | Chile (S. Atacama) | |
 | Eriosyce aurata (Pfeiff.) Backeb. | Chile (Atacama to Santiago). |
 | Eriosyce bulbocalyx (Werderm.) Katt. | Argentina (San Juan, La Rioja, San Luis) |
| Eriosyce calderana (F.Ritter) Ferryman | Chile (Atacama) | |
| Eriosyce caligophila R.Pinto | Chile (Tarapacá) | |
| Eriosyce castanea (F.Ritter) P.C.Guerrero & Helmut Walter | Chile | |
 | Eriosyce chilensis (Hildm. ex K.Schum.) Katt. | Chile |
| Eriosyce clavata (Söhrens ex K.Schum.) Helmut Walter | Chile (Central to SW. Atacama) | |
| Eriosyce coimasensis (F.Ritter) P.C.Guerrero & Helmut Walter | Chile | |
 | Eriosyce crispa (F.Ritter) Katt. | Chile (Atacama) |
 | Eriosyce curvispina (Bertero ex Colla) Katt. | Chile. |
 | Eriosyce duripulpa (F.Ritter) P.C.Guerrero & Helmut Walter | Chile (SW. Atacama) |
| Eriosyce elquiensis (Katt.) P.C.Guerrero & Helmut Walter | Chile (Coquimbo) | |
| Eriosyce engleri (F.Ritter) Katt. | Chile. | |
| Eriosyce eriosyzoides (F.Ritter) Ferryman | Chile (Atacama, Coquimbo). | |
 | Eriosyce esmeraldana (F.Ritter) Katt. | Chile (Antofogasta). |
| Eriosyce fankhauseri (F.Ritter) P.C.Guerrero & Helmut Walter | Chile (Atacama). | |
| Eriosyce fulva (F.Ritter) P.C.Guerrero & Helmut Walter | Chile (Atacama). | |
 | Eriosyce garaventae (F.Ritter) Katt. | Chile (Valparaíso). |
 | Eriosyce glabrescens (F.Ritter) P.C.Guerrero & Helmut Walter | Chile (Atacama). |
 | Eriosyce heinrichiana (Backeb.) Katt. | Chile (Atacama, Coquimbo). |
 | Eriosyce iquiquensis (F.Ritter) Ferryman | Chile (Tarapacá, Antofagasta) |
 | Eriosyce islayensis (C.F.Först.) Katt. | Peru to Chile |
 | Eriosyce krausii (F.Ritter) Katt. | Chile (SW. Antofagasta to Atacama) |
 | Eriosyce kunzei (C.F.Först.) Katt. | Chile (Atacama, Coquimbo). |
 | Eriosyce laui Lüthy | Chile (Antofagasta). |
| Eriosyce limariensis (F.Ritter) Katt. | Chile (N. Coquimbo). | |
| Eriosyce litoralis (F.Ritter) P.C.Guerrero & Helmut Walter | Chile. | |
| Eriosyce malleolata (F.Ritter) P.C.Guerrero & Helmut Walter | Chile. | |
| Eriosyce marksiana (F.Ritter) Katt. | Chile. | |
| Eriosyce megliolii (Rausch) Ferryman | Argentina (San Juan) | |
 | Eriosyce napina (Phil.) Katt. | Chile (SW. Atacama) |
| Eriosyce nigrihorrida (Backeb.) P.C.Guerrero & Helmut Walter | Chile. | |
 | Eriosyce occulta Katt. | Chile (SW. Antofagasta). |
 | Eriosyce odieri (Lem. ex Salm-Dyck.) Katt. | Chile (Atacama) |
 | Eriosyce paucicostata (F.Ritter) Ferryman | Chile (SW. Antofagasta). |
| Eriosyce recondita (F.Ritter) Katt. | Chile (Antofagasta) | |
 | Eriosyce riparia (Mächler & Helmut Walter) P.C.Guerrero & Helmut Walter | Chile (Coquimbo). |
 | Eriosyce rodentiophila F.Ritter | Chile (Antofagasta). |
 | Eriosyce senilis (Backeb.) Katt. | Chile |
| Eriosyce simulans (F.Ritter) Katt. | Chile (Coquimbo) | |
| Eriosyce sociabilis (F.Ritter) Katt. | Chile (Atacama) | |
| Eriosyce spectabilis Katt., Helmut Walter & J.C.Acosta | Chile (Atacama). | |
 | Eriosyce spinosior (F.Ritter) P.C.Guerrero & Helmut Walter | Chile (Coquimbo) |
 | Eriosyce strausiana (K.Schum.) Katt. | Argentina (La Rioja to Rio Negro) |
 | Eriosyce subgibbosa (Haw.) Katt. | Chile |
 | Eriosyce taltalensis (Hutchison) Katt. | Chile (SW. Antofagasta to NW. Atacama) |
 | Eriosyce tenebrica (F.Ritter) Katt. | Chile (Atacama, Coquimbo). |
 | Eriosyce umadeave (Fric ex Kreuz.) Katt. | Argentina (Jujuy, Salta) |
| Eriosyce vallenarensis (F.Ritter) Katt. | Chile (S. Atacama). | |
 | Eriosyce villicumensis (Rausch) Katt. | Argentina (San Juan). |
 | Eriosyce villosa (Monv.) Katt. | Chile (Atacama, Coquimbo). |
| Eriosyce wagenknechtii (F.Ritter) Katt. | Chile (N. Coquimbo). | |
The following genera have been brought into synonymy with Eriosyce: [1]
Acanthocalycium is a genus of cactus consisting of several species from Argentina, Bolivia, Brazil, Paraguay and Uruguay. The taxon name comes from Greek akantha and kalyx, which refers to the spines on the floral tubes.
Rebutia is a genus of flowering plants in the family Cactaceae, native to Bolivia and Argentina. They are generally small, colorful cacti, globular in form, which freely produce flowers that are relatively large in relation to the body. They have no distinctive ribs, but do have regularly arranged small tubercles. They are considered fairly easy to grow and they may produce large quantities of seeds that germinate freely around the parent plant.
Cleistocactus is a genus of flowering plants in the cactus family Cactaceae, native to mountainous areas - to 3,000 m (9,843 ft) - of South America. The name comes from the Greek kleistos meaning closed because the flowers hardly open.
In 1984, the International Organization for Succulent Plant Study set up a working party, now called the International Cactaceae Systematics Group, to produce a consensus classification of the cactus family, down to the level of genus. Their classification has been used as the basis for systems published since the mid-1990s. Treatments in the 21st century have generally divided the family into around 125–130 genera and 1,400–1,500 species, which are then arranged in a number of tribes and subfamilies. However, subsequent molecular phylogenetic studies have shown that a very high proportion of the higher taxa are not monophyletic, i.e. they do not contain all of the descendants of a common ancestor. As of August 2023, the internal classification of the family Cactaceae remained uncertain and subject to change. A classification incorporating many of the insights from the molecular studies was produced by Nyffeler and Eggli in 2010.
Thelocactus is a genus of flowering plants in the cactus family Cactaceae. Members of the genus are native to the arid lands of Central and Northern Mexico.
Pilosocereus is a genus of cactus native to the Neotropics. Tree cactus is a common name for Pilosocereus species. The genera Caerulocereus and Pseudopilocereus are synonyms of this genus.
Uebelmannia is genus of cacti, native to southeast Brazil.
Espostoopsis is a monotypic genus of cactus containing the single species Espostoopsis dybowskii. The generic name is formed from Greek opsis meaning "view", referring to its resemblance to the genus Espostoa, with which it is often confused. The plant is only known from northern Bahia, Brazil.
Haageocereus is a genus of cacti endemic to the lower elevations of the extremely dry desert along the coast of Peru and northern Chile.
Rauhocereus is a monotypic genus of cacti. Its only species is Rauhocereus riosaniensis, which has nocturnal flowers. It is known from northern Peru.
Weingartia is a genus in the family Cactaceae, with species native to Bolivia and Argentina. Molecular phylogenetic evidence suggests that it may be distinct from Rebutia. It is treated as a synonym of that genus by Plants of the World Online as of September 2023, but recognized as an alternative generic name in the third edition of the CITES Cactaceae Checklist. It may also be treated as Rebutia subg. Weingartia.
Cleistocactus winteri is a succulent of the family Cactaceae. Its common name is the golden rat tail. Cleistocactus winteri subsp. colademono, as its synonym Cleistocactus colademononis, has gained the Royal Horticultural Society's Award of Garden Merit.
Uebelmannia pectinifera is a species of plant in the family Cactaceae. It is endemic to Brazil. Its natural habitats are dry savanna and rocky areas. It is threatened by habitat loss.
Neowerdermannia vorwerkii, also known as achakana, is a species of cactus from high altitudes in Bolivia and northern Argentina.
Echinopsis densispina, is a species of Echinopsis found in Argentina.
Echinopsis aurea, is a species of Echinopsis found in Argentina.
Lobivia arachnacantha is a species of cactus in the genus Lobivia, native to Bolivia.
Neowerdermannia chilensis is a species of Neowerdermannia found in Argentina, Bolivia, Chile, and Peru.
Matucana aureiflora is a species of Matucana found in Peru.
Matucana formosa is a species of Matucana found in Peru.
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