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Gymnocalycium monvillei

Gymnocalycium monvillei
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Gymnocalycium
Species:
G. monvillei
Binomial name
Gymnocalycium monvillei
(Lem.) Pfeiff. ex Britton & Rose 1922
Synonyms
  • Echinocactus monvillei Lem. 1838

Gymnocalycium monvillei is a species of Gymnocalycium from Argentina.[2]

Description

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Gymnocalycium monvillei grows individually, rarely sprouting, with dark green, spherical to flattened spherical shoots, which reach heights of 6 to 8 centimeters with diameters of up to 20 centimeters and form a massive taproot. As plants age, they sometimes become short, columnar. The 10 to 17 wide, blunt ribs are clearly divided into humps with conspicuous chin-like projections. The areoles are oval and, in addition to the thorns, have a dirty-whitish wool felt. The strong, thick, slightly curved thorns are yellowish and have a reddish or purple base. There are one to four central spines up to 6 centimeters long, which can sometimes be missing. The 7 to 13 marginal spines are 3 to 4 centimeters long.

The white, red-tinged, partially monoecious flowers reach a length of 3 to 8 centimeters and a diameter of 4 to 9 centimeters. The stamens are whitish with yellowish pollen, the style is whitish yellow. The spherical fruits are green to cloudy orange-red and reach a diameter of up to 2 centimeters.[3]

Flowering G. monvillei

Subspecies

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  • Gymnocalycium monvillei subsp. achirasense (H.Till & Schatzl) H.Till
  • Gymnocalycium monvillei subsp. horridispinum (G.Frank ex H.Till) H.Till
  • Gymnocalycium monvillei subsp. monvillei

Distribution

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Gymnocalycium monvillei is distributed in central and northern Argentina, in the provinces of Córdoba and San Luis at altitudes of 500 to 2700 m.

Taxonomy

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The first description as Echinocactus monvillii was made in 1838 by Charles Lemaire.[4] The specific epithet monvillei honors the plant collector Hippolyte Boissel de Monville. Nathaniel Lord Britton and Joseph Nelson Rose placed the species in the genus Gymnocalycium in 1922.[5]

References

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  1. ^ "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2010-09-20. Retrieved 2023-12-08.
  2. ^ "Gymnocalycium monvillei in Tropicos".
  3. ^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 320. ISBN 3-8001-4573-1.
  4. ^ Lemaire, C.A. (1838). Cactearum aliquot novarum ac insuetarum in horto Monvilliano cultarum accurata descriptio: fasc. 1 (in Latin). Apud F. G. Levrault. p. 14. Retrieved 2023-12-09.
  5. ^ Britton, Nathaniel Lord; Eaton, Mary E.; Rose, J. N.; Wood, Helen Adelaide (1919). The Cactaceae : descriptions and illustrations of plants of the cactus family. Washington: Carnegie Institution of Washington. doi:10.5962/bhl.title.46288.
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Gymnocalycium monvillei
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