Samaipaticereus corroanus
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Samaipaticereus corroanus |
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| Cardenas | ||||||||||||
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| Samaipaticereus corroanus | ||||||||||||
| Cardenas |
Samaipaticereus corroanus is the only plant species of the monotypic genus Samaipaticereus in the cactus family(Cactaceae). The botanical name refers to the place where it was found, the Bolivian city of Samaipata . The epithet of the species honors Anibal Corro, the discoverer of plants.
description
Samaipaticereus corroanus grows tree-like and columnar, is heavily branched and reaches heights of 2 to 4 meters. The green, long, upright shoots are not articulated and can reach a diameter of up to 8 centimeters. From the areoles of the four to six ribs arise usually five spines , which cannot be divided into central and radial spines. They are short and greyish-white, one of them is longer than the rest and directed downwards.
The numerous, constricted, funnel-shaped flowers are 4.5 to 5 centimeters long, open at night and stay open until the following day. The sepals are greenish white and have brown tips, the petals are white. The pericarpel and the flower tube are covered with long scales, short hair and some bristles.
The spherical, clipped, humped fruits are more or less pink, have a persistent flower remnant and tear open lengthways . The flesh is reddish orange. The dark brown or blackish seeds are shiny, about 1.5 millimeters long and tiny dotted. The hilum is wide.
Distribution, systematics and endangerment
Samaipaticereus corroanus is distributed at altitudes of around 1500 meters near the Bolivian city of Samaipata .
The first description was published in 1952 by Martín Cárdenas . For the second species he described, Samaipaticereus inquisivensis , the genus Yungasocereus was established by Friedrich Ritter in 1980 .
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. 578 .
- Curt Backeberg : Die Cactaceae: Handbuch der Kakteenkunde . 2nd Edition. tape II . Gustav Fischer Verlag, Stuttgart New York 1983, ISBN 3-437-30381-3 , p. 1090-1092 .
Individual evidence
- ^ Cactus and Succulent Journal . Volume 24, p. 141, Los Angeles 1952
- ↑ Samaipaticereus corroanus in the Red List of Threatened Species of the IUCN 2013.2. Listed by: Lowry, M., 2013. Retrieved May 8, 2014.
