Cleistocactus tominensis

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Cleistocactus tominensis
Cleistocactus tominensis - Botanischer Garten Munchen-Nymphenburg - DSC08108.JPG
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Cleistocactus
Species:
C. tominensis
Binomial name
Cleistocactus tominensis
(Weing.) Backeb.

Cleistocactus tominensis is a species of columnar cactus in the genus Cleistocactus , endemic to Bolivia, where it is found in forests, on cliffs, and in inter-Andean valleys at altitudes of 900 to 2,200 meters.

Contents

Description

Cleistocactus tominensis grows as a shrub with initially unbranched, later branched at the base, parallel, upright shoots and reaches heights of up to 2 meters with a diameter of up to 5 centimeters. There are 18 to 22 low, transversely furrowed ribs. The 8 to 9 thin, later strong thorns are yellowish to reddish, turn gray with age and are up to 4 centimeters long. They are difficult to distinguish in central and radial spines.

The narrow tubular flowers are green to yellow to pink or occasionally green at the base and red towards the tips. They are up to 2.5 centimeters long. The bracts are fairly spread out. The spherical, light pink fruits reach a diameter of up to 1.8 centimeters. [2]

Distribution

Cleistocactus tominensis is distributed in the Bolivian departments of La Paz, Chuquisaca and Tarija in the foothills of the Andes at altitudes of 900 to 2200 meters.

Taxonomy

The first description as Cereus tominensis was made in 1931 by Wilhelm Weingart. [3] The specific epithet tominensis refers to the occurrence of the species near Tomina in the Bolivian department of Chuquisaca. Curt Backeberg placed the species in the genus Cleistocactus in 1936. [4]


Synonyms

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References

  1. ↑ "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2010-09-21. Retrieved 2023-09-08.
  2. ↑ Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 127. ISBN   3-8001-4573-1.
  3. ↑ "Au Cactus Francophone :". Au Cactus Francophone (in French). Retrieved 2023-09-08.
  4. ↑ "Au Cactus Francophone :". Au Cactus Francophone (in French). Retrieved 2023-09-08.


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