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Gymnocalycium uruguayense

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Gymnocalycium uruguayense
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Gymnocalycium
Species:
G. uruguayense
Binomial name
Gymnocalycium uruguayense
(Arechav.) Britton & Rose 1922
Synonyms
  • Echinocactus uruguayensis Arechav. 1905
  • Gymnocalycium hyptiacanthum subsp. uruguayense (Arechav.) Mereg. 2008
  • Echinocactus guerkeanus F.Haage 1911
  • Echinocactus melanocarpus Arechav. 1905
  • Echinocactus netrelianus Monv. ex Labour. 1853
  • Echinocactus platensis var. guerkeanus (F.Haage) Speg. 1905
  • Echinocactus uruguayensis f. depressus Osten 1941
  • Gymnocalycium artigas Herter 1951
  • Gymnocalycium artigas var. roseiflorum (Y.Itô) Milt 2015
  • Gymnocalycium guerkeanum (F.Haage) Britton & Rose 1922
  • Gymnocalycium hyptiacanthum subsp. netrelianum (Monv. ex Labour.) Mereg. 2008
  • Gymnocalycium leeanum var. netrelianum (Monv. ex Labour.) Backeb. 1936
  • Gymnocalycium leeanum var. roseiflorum Y.Itô 1957
  • Gymnocalycium melanocarpum (Arechav.) Britton & Rose 1922
  • Gymnocalycium netrelianum (Monv. ex Labour.) Britton & Rose 1922
  • Gymnocalycium rauschii H.Till & W.Till 1990
  • Gymnocalycium uruguayense var. roseiflorum Y.Itô 1957

Gymnocalycium uruguayense is a species of Gymnocalycium from Brazil and Uruguay.[2]

Description

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Gymnocalycium uruguayense forms groups with juicy, green to blue-green bulbous body which is low to the ground, flattened, spherical shoots that are either flush with the ground or protrude 3 to 4 centimeters. These shoots have diameters of 5 to 10 centimeters (rarely up to 14 centimeters). The plant features six to ten (rarely up to 14) ribs divided into hexagonal humps with noticeable chin-like projections. It lacks central spines but has three to seven finely fluffy, straight to slightly curved, yellowish-brown to whitish marginal spines, 1 to 3 centimeters long.

The bell-shaped flowers are whitish to lemon yellow or pink, sometimes greenish-yellow, and reach up to 4 centimeters in length and 5.5 to 6.5 centimeters in diameter. The flowers are occasionally unisexual, and the plants are dioecious. The elongated to egg-shaped fruits are dark green to blue-green, up to 2 centimeters long, and 1 centimeter in diameter.[3]

Distribution

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Gymnocalycium uruguayense is found in Brazil (Rio Grande do Sul) and Uruguay.[4]

Taxonomy

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First described as Echinocactus uruguayensis by José Arechavaleta in 1905, the species name refers to its distribution in Uruguay.[5] In 1922, Nathaniel Lord Britton and Joseph Nelson Rose reclassified it under the genus Gymnocalycium.[6]

References

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  1. ^ Assessment), João Larocca (Global Cactus (2010-06-04). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2023-12-08.
  2. ^ "Gymnocalycium uruguayense in Tropicos".
  3. ^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 329. ISBN 3-8001-4573-1.
  4. ^ "Gymnocalycium uruguayense". www.llifle.com. Retrieved 2024-05-26. This article incorporates text from this source, which is available under the CC BY-SA 3.0 license.
  5. ^ Montevideo, Museo Nacional de; Montevideo., Museo de Historia Natural de (1901). "Anales del Museo Nacional de Montevideo". El Museo. Retrieved 2024-05-26.
  6. ^ 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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