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Cleistocactus

From Biocrawler, the free encyclopedia.

Cleistocactus

Silver torch cactus, Cleistocactus strausii

Scientific classification

Kingdom:	Plantae
Division:	Magnoliophyta
Class:	Magnoliopsida
Order:	Caryophyllales
Family:	Cactaceae
Genus:	Cleistocactus

Species

49 species, including:

C. baumannii
C. candelilla
C. dependens
C. fieldianus
C. hildegardiae
C. hyalacanthus
C. icosagonus
C. parapetiensis
C. reae
C. samaipatanus
C. sepium
C. serpens
C. sextonianus
C. smaragdiflorus
C. strausii
C. tarijensis
C. tominensis
C. winteri

Cleistocactus is a genus of columnar cacti from Peru, Uruguay, Bolivia and Argentina. The name comes from the Greek kleistos meaning closed because the flowers hardly open.

The stems are tall and mostly slender and often many branched with numerous ribs with closely set areoles and spines. The flowers are tubular and the tips hardly open with only the style and stamens usually protruding.

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References

Innes C, Wall B (1995). Cacti' Succulents and Bromaliads. Cassell & The Royal Horticultural Society.
The species list is referenced from http://www.cactiguide.com/ which is in turn referenced from several books which are listed on that site. The principal book listed here is The Cactus Family by Edward F. Anderson.

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Categories: Cacti