Mammillaria muehlenpfordtii
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Mammillaria muehlenpfordtii is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet honors the German physician and cactus researcher from Hanover Friedrich Mühlenpfordt .
description
Mammillaria muehlenpfordtii is a succulent, spherical plant with sunken vertices, which very quickly tends to divide dichotomously . Older plants often form large clusters of plants. The warts are gray-green and conical and covered with drooping bristles. The axillae are covered with numerous, fine white bristles that become more woolly in the flowering zone. At least 30–50 white to whitish yellow, 4 mm long radial spines are crowned with 2 to 6 upright central spines . The color of the central spines varies greatly between yellowish to brown and gray, and a length between 2 and 40 mm.
As with all mammillaries, the flowers appear in the wreath. They are carmine red and reach a size and diameter of 1.5 cm. The long fruits are bright red. The seeds are brown.
Distribution, systematics and endangerment
Mammillaria muehlenpfordtii is native to the Mexican states of Guanajuato , Querétaro and San Luis Potosí .
It was first described in 1847 by Carl Friedrich Förster . Synonyms are Mammillaria celsiana Lem. (1839, nom. Illeg. ICBN -Article 53.1) and Mammillaria neopotosina R.T. Craig (1954).
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 . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 397-398 .
- Karl Schumann : Complete description of the cacti (Monographia cactacearum) . J. Neumann, Neudamm 1899, p. 566 ( online ).
- Reto F. Dicht, Adrian D. Lüthy: Coryphantha: cacti of Mexico and Southern USA . Springer, New York 2003, ISBN 3-540-22306-1 , pp. 50 .
- NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 112 ( online ).
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 159.
- ↑ Carl Friedrich Förster: Description of some new cacti . In: General garden newspaper . Volume 15, Number 7, 1847, pp. 49-50, (online) .
- ↑ Mammillaria muehlenpfordtii in the IUCN Red List of Threatened Species 2013.2. Posted by: Gómez-Hinostrosa, C., Sánchez, E., Guadalupe Martínez, J. & Bárcenas Luna, R., 2009. Retrieved December 27, 2013.
