Maihueniopsis atacamensis

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Maihueniopsis atacamensis
Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Opuntioideae
Tribe : Tephrocacteae
Genre : Maihueniopsis
Type : Maihueniopsis atacamensis
Scientific name
Maihueniopsis atacamensis
( Phil. ) F. Knight

Maihueniopsis atacamensis is a species of plant in the genus Maihueniopsis from the cactus family(Cactaceae). The specific epithet atacamensis refers to the occurrence of the species in higher mountain areas in the Chilean region of Atacama .

description

Maihueniopsis atacamensis forms dense, arched cushions from 60 to 80 centimeters in diameter and up to 30 centimeters in height. The egg-shaped to conical shoot sections are up to 2.5 inches long. The up to 30 areoles , which are very closely spaced and covered with glochids , are present far down to the shoot sections. Thorns arise from the upper half of the shoot sections . The one or two upright, straight, rounded to slightly flattened, yellow to almost dark red, striped central spines are up to 2.5 centimeters long. The one to two (rarely up to four) curved radial spines are 2 to 3 millimeters long.

The yellow or orange flowers are up to 4 centimeters long. Your thornless pericarpel is covered with glochids. The spherical, green fruits are covered with areoles along their upper edge.

Distribution and systematics

Maihueniopsis atacamensis is widespread in the Chilean region of Atacama, south of the Salar de Atacama salt lake .

It was first described as Opuntia atacamensis in 1860 by Rudolph Amandus Philippi . Friedrich Ritter placed the species in the genus Maihueniopsis in 1980 . Synonyms are Pseudotephrocactus atacamensis (Phil.) Frič (1933) and Tephrocactus atacamensis (Phil.) Backeb. (1936).

proof

literature

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 17.
  2. ↑ Florula atacamensis seu Enumeratio plantarum in itinere per desertum Atacamense observatarum . 1860, p. 24.
  3. ↑ Cacti in South America. Results of my 20 years of field research . Volume 3: Chile. Friedrich Ritter Selbstverlag, Spangenberg 1980, pp. 872–873.

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