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Gymnocalycium nigriareolatum var. densispinum Backeb. ex H.Till
Gymnocalycium 11: 255, fig. 1998 nom. inval.
Family: CACTACEAE

Accepted Scientific Name: Gymnocalycium hybopleurum (K.Schum.) Backeb. in Backeb. & F.M.Knuth
Kaktus-ABC [Backeb. & Knuth] 289. 1936 [12 Feb 1936] Backeb., F.M.Knuth

Synonyms:

See all synonyms of Gymnocalycium hybopleurum
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Accepted name in llifle Database:
Gymnocalycium hybopleurum (K.Schum.) Backeb. in Backeb. & F.M.Knuth
Kaktus-ABC [Backeb. & Knuth] 289. 1936 [12 Feb 1936]
Synonymy: 12 Accepted name in llifle Database:
Gymnocalycium hybopleurum var. centrispinum Backeb.
Kakteenlexikon 168. 1966 (nom. inval. Art. 8.2)

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Subspecies, varieties, forms and cultivars of plants belonging to the Gymnocalycium hybopleurum group

  • Gymnocalycium curvispinum Frič: has strong curved spines. Distribution: Villa Dolores to Sierra Ancasti, Catamarca, Argentina.
  • Gymnocalycium curvispinum var. acuticostatum hort.: has strong curved spines and the very prominent acute chinlike protrusions on the ribs, and flowers often pink or orangish. Distribution: Catamarca, Argentina.
  • Gymnocalycium hybopleurum (K.Schum.) Backeb. in Backeb. & F.M.Knuth: is a strongly-spined and variable species, usually solitary in habitat. Distribution: Catamarca and Cordoba, Argentina.
  • Gymnocalycium nigriareolatum Backeb.: has solitary stems with large black areoles. The flowers are white, with a greenish to reddish throat. Distribution: around the town of Catamarca, Argentina.
  • Gymnocalycium nigriareolatum f. carmineum H.Till: has reddish-pink flowers with a darker throat. Western slopes of the Sierra de Ancasti, Catamarca, Argentina.
  • Gymnocalycium nigriareolatum var. densispinum Backeb. ex H.Till: the stem forms basal shoots. Distribution: Catamarca, north of the town near El Jumeal Reservoir, Catamarca, Argentina.
  • Gymnocalycium nigriareolatum var. simoi H.Till: the radial spines are more or less pectinated. Distribution: Palo Labrado, south of La Merced, Catamarca, Argentina.


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