Acanthocalycium rhodotrichum

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Acanthocalycium rhodotrichum
Echinopsis rhodotricha K. Schumann in habitat.JPG
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Acanthocalycium
Species:
A. rhodotrichum
Binomial name
Acanthocalycium rhodotrichum
(K.Schum.) Schlumpb. 2012
Synonyms
List
  • Echinocactus forbesiiLehm. 1843
  • Echinopsis chacoanaSchütz 1949
  • Echinopsis chacoana var. spinosiorF.Ritter 1965
  • Echinopsis forbesiiA.Dietr. 1849
  • Echinopsis klinglerianaCárdenas 1965
  • Echinopsis meyeriHeese 1907
  • Echinopsis minuanaSpeg. 1905
  • Echinopsis pentlandii var. forbesii(A.Dietr.) Rud.Mey. 1897
  • Echinopsis rhodotrichaK.Schum.
  • Echinopsis rhodotricha var. argentinensisRud.Mey. 1911
  • Echinopsis rhodotricha var. brevispinaF.Ritter 1979
  • Echinopsis rhodotricha subsp. chacoana(Schütz) P.J.Braun & Esteves 1995
  • Echinopsis rhodotricha var. chacoana(Schütz) F.Ritter 1979
  • Echinopsis rhodotricha var. robustaRud.Mey. 1914
  • Echinopsis rhodotricha var. roseifloraK.Schum. 1903
  • Echinopsis rhodotricha var. spinosior(F.Ritter) F.Ritter 1979
  • Echinopsis robinsonianaWerderm. in Repert. 1934
  • Echinopsis spegazziniiK.Schum. ex Speg. 1905
  • Echinopsis validaMonv. 1843
  • Echinopsis valida var. forbesiiRud.Mey. 1895
  • Trichocereus validus(Monv.) Backeb. 1955

Acanthocalycium rhodotrichum is a species of Acanthocalycium found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. [2]

Contents

Description

Acanthocalycium rhodotrichum usually grows in groups with erect or ascending, cylindrical, dull green shoots that reach heights of 30 to 80 cm (12 to 31 in) with a diameter of up to 12 cm (4.7 in). There are eight to 18 low ribs that are somewhat wavy. The areoles on it are 1.5 to 2.5 cm (0.59 to 0.98 in) apart. Yellowish thorns with a brown tip emerge from them. The single central spine, which can also be absent, is bent slightly upwards and is up to 2 cm (0.79 in) long. The spread and slightly curved four to eight radial spines are up to 2 cm (0.79 in) long. The funnel-shaped white flowers open at night. They grow up to 15 cm (5.9 in) long. [3]

Distribution

Acanthocalycium rhodotrichum is widespread in the Brazilian state of Mato Grosso do Sul, in Paraguay and in northeast Argentina at altitudes of up to 500 meters. [4]

Subspecies

Recognized subspecies: [2]

ImageSubspeciesDescriptionDistribution
ECHINOPSIS CHACOANA.jpg Acanthocalycium rhodotrichum subsp. chacoanum(Schütz) Schlumpb.Has twelve to 18 ribs and seven to eight marginal spines. The first description as Echinopsis chacoana by Bohumil Schütz was published in 1949. Boris O. Schlumpberger introduced the species as a subspecies to Acanthocalycium rhodotrichum in 2021. [5] Common in the Chaco vegetation in Paraguay.
Echinopsis rhodotricha K. Schumann in habitat.JPG Acanthocalycium rhodotrichum subsp. rhodotrichumDistributed deep in the Chaco vegetation in Paraguay and the Argentine provinces of Chaco, Formosa, Corrientes, Entre Ríos, Santiago del Estero and Santa Fe.

Taxonomy

The first description as Echinopsis rhodotricha by Karl Moritz Schumann was published in 1900. Boris O. Schlumpberger placed the species in the genus Acanthocalycium in 2012.

References

  1. "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2010-09-20. Retrieved 2023-09-17.
  2. 1 2 "Acanthocalycium rhodotrichum (K.Schum.) Schlumpb. - Plants of the World Online". Plants of the World Online. Retrieved 2022-11-17.
  3. Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 241. ISBN   3-8001-4573-1.
  4. "Monatsschrift für Kakteenkunde". J. Neumann. 1900. Retrieved 2023-09-17.
  5. Korotkova, Nadja; Aquino, David; Arias, Salvador; Eggli, Urs; Franck, Alan; Gómez-Hinostrosa, Carlos; Guerrero, Pablo C.; Hernández, Héctor M.; Kohlbecker, Andreas; Köhler, Matias; Luther, Katja; Majure, Lucas C.; Müller, Andreas; Metzing, Detlev; Nyffeler, Reto; Sánchez, Daniel; Schlumpberger, Boris; Berendsohn, Walter G. (2021-08-31). "Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family". Willdenowia. 51 (2). Botanic Garden and Botanical Museum Berlin, Freie Universitaet Berlin. doi: 10.3372/wi.51.51208 . ISSN   0511-9618.