Uebelmannia buiningii
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Uebelmannia buiningii |
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Uebelmannia buiningii is a species of the genus Uebelmannia in the cactus family(Cactaceae). The specific epithet buiningii honors the Dutch cactus lover and specialist in Brazilian cacti Albert Frederik Hendrik Buining .
description
Uebelmannia buiningii grows with greenish to reddish brown, spherical to short cylindrical bodies that reach a diameter of up to 8 centimeters. The epidermis is rough due to wax deposits. The 18 straight ribs are 15 millimeters apart. They are divided into downwardly directed humps about 5 millimeters apart . The areoles on it are only covered with a little wool. The 4 central spines are crossed. The 2 to 4 straight radial spines are up to 5 millimeters long and shorter than the central spines.
The yellow flowers are up to 2.7 centimeters long and reach a diameter of 2 centimeters. The egg-shaped fruits are yellow and have a diameter of up to 4 millimeters.
Systematics, distribution and endangerment
Uebelmannia buiningii is widespread in the Brazilian state of Minas Gerais in the Serra Negra and grows on quartz gravel. It was first described in 1968 by John Donald Donald .
Uebelmannia buiningii is listed in Appendix I of the Washington Convention on Endangered Species . In the Red List of Threatened Species of IUCN is it as " Critically Endangered (CR) , d". H. classified critically endangered.
proof
Individual evidence
- ↑ National Cactus and Succulent Journal . Volume 24, 1968, p. 3.
- ↑ Uebelmannia buiningii in the endangered Red List species the IUCN 2013. Posted by: Machado, M., Brown, P. & Taylor, NP, 2013. Retrieved on October 11, 2015.
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 637 .
