Mammillaria meyranii

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Mammillaria meyranii
Mammillaria meyranii pm 02.jpg

Mammillaria meyranii

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Mammillaria
Type : Mammillaria meyranii
Scientific name
Mammillaria meyranii
Bravo

Mammillaria meyranii is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet honors the Mexican cactus expert Jorge Meyrán (* 1918).

description

Mammillaria meyranii usually grows through basal buds, forming groups. The cylindrical shoots are up to 55 centimeters high and 4 to 5 centimeters in diameter. The conical, slightly square warts have little milky juice . The axillae are sparsely woolly at first and later bare. The 2  central spines are directed upwards and downwards. They are needle-like, straight, brown with a yellowish tip, later turning gray and up to 1 centimeter long. The 17 to 19 radial spines are straight, brown with a light tip, later also turning gray and 3 to 6 millimeters long.

The narrow, funnel-shaped flowers are purple in color and up to 1.8 centimeters long. The club-shaped fruits are light purple-pink with a greenish tinge. They are up to 2 inches long and contain brown seeds .

Distribution, systematics and endangerment

Mammillaria meyranii is common in the Mexican states of Michoacán and Mexico . It was first described in 1956 by Helia Bravo Hollis .

Synonyms are Mammillaria spinosissima var. Meyranii (Bravo) E. Kuhn (1984, nom. Inval. ICBN -Article 33.3) and Mammillaria meyranii var. Michoacana G.Buchenau (1969, nom. Inval. ICBN -Article 37.1).

In the Red List of Threatened Species of the IUCN , the species is called " Data Deficient (DD) ", i. H. with insufficient data.

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 397 .
  • Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 142 .

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 153.
  2. ^ Cactus and Succulent Journal of Great Britain . Vol. 18, 1956, p. 84.
  3. ↑ Mammillaria meyranii in the IUCN Red List of Threatened Species 2013.2. Posted by: Goettsch, BK, 2013. Retrieved December 27, 2013.

Web links

Commons : Mammillaria meyranii  - collection of images, videos and audio files