Echinocereus russanthus
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Echinocereus russanthus |
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| Scientific name | ||||||||||||
| Echinocereus russanthus | ||||||||||||
| D. Less |
Echinocereus russanthus is a species of plant in the genus Echinocereus from the cactus family(Cactaceae). The specific epithet russanthus is derived from the Latin word russus for 'reddish' and the Greek word anthos for 'blossom' and refers to the color of the flowers.
description
Echinocereus russanthus grows solitary or branched from the base. The upright, cylindrical shoots are 7.5 to 25 inches long and 5 to 7.5 inches in diameter. They are covered by the thorns. There are ten to 18 ribs that are clearly humped. The seven to twelve spreading central spines are red, cream-colored or brownish. They have a length of up to 3 centimeters. The 30 to 45 reddish to brownish radial spines are up to 1.8 centimeters long.
The short funnel-shaped flowers are light red to bright red. They often appear in clusters on the sides of the shoots and do not always open completely. The flowers are 2.5 to 3 centimeters long and reach the same diameter. The green, spherical fruits are heavily thorny.
Distribution, systematics and endangerment
Echinocereus russanthus is distributed in the United States in the Big Bend area in the south of the state of Texas and in the neighboring Mexican state of Chihuahua .
The first description by Del Less was published in 1969. Nomenclatory synonyms are Echinocereus chloranthus var. Russanthus (D.Weniger) Lamb. ex GDRowley (1974) and Echinocereus viridiflorus var. russanthus (D.Weniger) ADZimmerman (2004).
In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 207 .
- Del Less: Cacti of the Southwest: Texas, New Mexico, Oklahoma, Arkansas, and Louisiana . University of Texas Press, 1969, ISBN 0292700008 , pp. 18-19.
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 208.
- ↑ Del Less: Small flowered Echinocerei of Texas and New Mexico . In: Cactus and Succulent Journal . Volume 41, Cactus and Succulent Society of America, 1969, pp. 41-42.
- ↑ In: A. Michael Powell, James F. Weedin: Cacti of the Trans-Pecos and adjacent areas . Texas Tech University Press, 2004, ISBN 0896725316 , p. 263.
- ↑ Echinocereus russanthus in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Heil, K., Terry, M. & Corral-Díaz, R., 2009. Retrieved January 24, 2014.
Web links
- Photos of Echinocereus russanthus