Harrisia tephracantha
| Harrisia tephracantha | ||||||||||||
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Harrisia tephracantha , young plant |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Harrisia tephracantha | ||||||||||||
| ( Labor. ) DRHunt |
Harrisia tephracantha is a species of plant in the genus Harrisia fromthe cactus family (Cactaceae). The specific epithet tephracantha means '(Greek tephra ashes) with ash-gray spines'.
description
Harrisia tephracantha grows shrubby to tree-shaped, is mostly branched above the ground and reaches heights of growth of up to 3 meters. The blue-green to gray-green shoots have a diameter of up to 6 centimeters. There are eight rounded and humped ribs . The single strong, initially brownish central spine later turns white to ash gray. The four to seven white radial spines have a brown tip.
The flowers reach a length of 18 to 22 centimeters.
Distribution and systematics
Harrisia tephracantha is common in the Bolivian departments of Cochabamba , Chuquisaca , Potosi , Santa Cruz and Tarija .
It was first described as Cereus tephracanthus in 1855 by J. Labouret . David Richard Hunt placed the species in 1987 in the genus Harrisia . Nomenclatory synonyms are Eriocereus tephracanthus (Labor.) Riccob. (1909), Trichocereus tephracanthus (Labor.) Borg (1937) and Roseocereus tephracanthus (Labor.) Backeb. (1942)
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 341 .
