Gymnocalycium angelae

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Gymnocalycium angelae
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Gymnocalycium
Species:
G. angelae
Binomial name
Gymnocalycium angelae
Mereg. 1998
Synonyms
  • Gymnocalycium denudatum subsp. angelae(Mereg.) Prestlé 2004

Gymnocalycium angelae is a species of cactus in the genus Gymnocalycium , endemic to Argentina. [1]

Contents

Description

Gymnocalycium angelae is a solitary cactus with a pale to medium green, flattened, spherical stem that is smooth and shiny. It grows up to 10 cm tall and 8 cm in diameter. The stem has 7–10 broad, flat, and bluntly rounded ribs that are transversely furrowed, with oval areoles bearing whitish wool. The plant lacks central spines but has 7 yellow marginal spines that turn gray with age, each 1.5–2 cm long. The broad, funnel-shaped flowers are white with a pinkish-red throat at the base of the tube, measuring up to 5 cm in diameter and 4 cm long. Fruits are elongated, green, and reach 3 cm in length. Seeds are globose, reddish-brown, and measure about 2 mm in width. The species has 2n = 22 chromosomes. [2]

Distribution

This cactus is native to the rocky slopes of Paraje Tres Cerros in the San Martín Department, Corrientes Province, Argentina. It often grows alongside Frailea schilinzkyana and Cereus hildmannianus subsp. uruguayensis . [3]

Taxonomy

The species was first described in 1998 by Massimo Meregalli. [4] The specific epithet angelae honors Angeles Graciela López de Kiesling, the former wife of Argentine botanist Roberto Kiesling.

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References

  1. ↑ "Gymnocalycium angelae Mereg". Plants of the World Online. Retrieved 2024-12-27.
  2. ↑ Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 310. ISBN   3-8001-4573-1.
  3. ↑ "Gymnocalycium angelae". LLIFLE. 2013-08-04. Retrieved 2024-12-27.
  4. ↑ Meregalli, Massimo (1998). "Nur eine einzige Population bekannt: Gymnocalycium angelae spec. nov., eine neue Art aus Argentinien" (PDF). Taxonomie. Kakteen und andere Sukkulenten. 49 (12): 283–290.
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