Mammillaria anniana
Mammillaria anniana | ||||||||||||
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![]() Mammillaria anniana |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Mammillaria anniana | ||||||||||||
Glass & RAFoster |
Mammillaria anniana is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet honors Anni Lau, the wife of the plant collector Alfred Bernhard Lau .
description
Mammillaria anniana grows sprout with spherical to flattened spherical apple-green shoots and reaches heights of up to 3 centimeters and the same diameter. The gradually tapering warts are round. They do not contain milk juice . The axillae are covered with tufts of wool and twisted hair. The 5 to 9 needle-like, stiff, yellow to golden-amber central spines are 9 to 12 millimeters long. One of them is hooked. The 13 to 14 yellowish white, stiff, thin and straight radial spines are 6 to 11 millimeters long.
The bright whitish yellow, 8 to 12 millimeter long flowers hardly open. Your pericarpel is noticeably long. The red fruits are 10 to 15 millimeters long and contain black seeds .
Distribution, systematics and endangerment
Mammillaria anniana is common in the Mexican state of Tamaulipas .
It was first described in 1981 by Charles Edward Glass and Robert Alan Foster .
Mammillaria anniana is in the endangered Red List species the IUCN as " Critically Endangered (CR) ", d. H. critically endangered, classified.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 369 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 11.
- ^ Cactus and Succulent Journal . Volume 53, Number 2, Los Angeles 1981, pp. 79-80.
- ↑ Mammillaria anniana in the Red List of Threatened Species of the IUCN 2010. Posted by Fitz Maurice, WA & Fitz Maurice, B., 2002. Retrieved on 2 May, 2010.