Mammillaria melaleuca

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Mammillaria melaleuca
Mammillaria melaleuca pm 01.jpg

Mammillaria melaleuca

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Mammillaria
Type : Mammillaria melaleuca
Scientific name
Mammillaria melaleuca
Karw. ex Salm-Dyck

Mammillaria melaleuca is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet melaleuca means '(Latin melaleucus) black and white'.

description

Mammillaria melaleuca grows individually and in old age also forms groups. The dark green shoots are spherical and 6 to 7 centimeters in diameter. The strong warts are thick, ovate-blunt and without milky sap . The axillae are bare. Usually there is only a slim to stiff central spine with a purple-brown color. The 8 to 9 radial spines are radiating and almost straight, the upper slightly longer brown, the lower white.

The yellow flowers are up to 3 inches long. The fruits are greenish to brownish. They contain blackish brown seeds .

Distribution, systematics and endangerment

Mammillaria melaleuca is common in the Mexican state of Tamaulipas .

The first description was in 1850 by Joseph zu Salm-Reifferscheidt-Dyck . Synonyms are Dolichothele melaleuca (Karw. Ex Salm-Dyck) Boed. (1933) and Mammillaria longimamma var. Melaleuca (Karw. Ex Salm-Dyck) E. Kuhn (1982, nom. Inval. ICBN -Article 33.3).

In the Red List of Threatened Species of IUCN is the species as " Endangered (EN) ," d. H. listed as endangered.

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 396 .
  • Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 141 .

Individual evidence

  1. ↑ Cacteae in horto Dyckensi cultae anno 1849, secundum tribus et genera digestæ additis adnotationibus botanicis characteribusque specierum in enumeratione diagnostica cactearum doct. Pfeifferi non descriptarum . Henry & Cohen, Bonn 1850, p. 108 (online) .
  2. ↑ Mammillaria melaleuca in the IUCN Red List of Threatened Species 2013.2. Listed by: Smith, M., 2009. Retrieved December 20, 2013.

Web links

Commons : Mammillaria melaleuca  - Collection of images, videos and audio files