Mammillaria anniana

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Mammillaria anniana
Mammillaria anniana.jpg

Mammillaria anniana

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

Individual evidence

  1. Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 11.
  2. ^ Cactus and Succulent Journal . Volume 53, Number 2, Los Angeles 1981, pp. 79-80.
  3. 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.

Web links

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