Acanthocalycium

Acanthocalycium is a genus of cactus consisting of several species from Argentina. The taxon name comes from Greek akantha (meaning prickly) and kalyx (meaning buds), which refers to the spines on the floral tubes.[1]

Acanthocalycium
Acanthocalycium spiniflorum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Trichocereeae
Genus: Acanthocalycium
Backeb.
Species

Acanthocalycium aurantiacum
Acanthocalycium ferrarii
Acanthocalycium glaucum
Acanthocalycium klimpelianum
Acanthocalycium peitscherianum
Acanthocalycium spiniflorum
Acanthocalycium violaceum
etc.

These plants are globose to elongate, with numerous ribs on the spiny stems. Flowers range from white to pink to red and open during the day.

Taxonomy

Spinicalycium Fric (nom. inval.) has been brought into synonymy with this genus. Besides, the genus Acanthocalycium has been periodically included in the genus Echinopsis.

Species
ImageScientific NameDistribution
Acanthocalycium ferrarii RauschArgentina.
Acanthocalycium glaucum F.RitterArgentina
Acanthocalycium klimpelianum (Weidlich & Werderm.) Backeb.Argentina
Acanthocalycium spiniflorum (K.Schum.) Backeb.Argentina
Acanthocalycium thionanthum (Speg.) Backeb.Argentina
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gollark: I tested it on a few test cases and it seems okay.
gollark: Is there a BLAKE2 implementation for CC? It might make various potatOS things faster.
gollark: It might actually be an issue with HTTP and not the hash function itself; different text encoding or something. I am using binary mode, so this seems unlikely.

References
  1. Eggli, U.; Newton, L.E. (2004). Etymological Dictionary of Succulent Plant Names. Springer Berlin Heidelberg. p. 1. ISBN 978-3-540-00489-9. Retrieved 20 September 2018.
  • Edward F. Anderson, The Cactus Family (Timber Press, 2001), pp. 105–106
  • Willy Cullmann, Erich Götz & Gerhard Gröner, The Encyclopedia of Cacti (Alphabooks, 1086). pp. 124–125
The flower of Acanthocalycium spiniflorum
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