Epithelantha micromeris

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Epithelantha micromeris
Epithelantha.jpg

Epithelantha micromeris

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Epithelantha
Type : Epithelantha micromeris
Scientific name
Epithelantha micromeris
( Engelm. ) FAC Weber ex Britton & Rose

Epithelantha micromeris is a species of plant in the genus Epithelantha from the cactus family(Cactaceae). The epithet of the species is derived from the Greek words μικρός mikros for "small" and μηρός meros for "part" and refers to the numerous small, radiant thorns of the species.

description

Epithelantha micromeris grows solitary or sprouting. The plant bodies reach a diameter of up to 6 centimeters. 20 to 26 differently shaped and 1 to 2 millimeter long spines arise from the 1 to 4 millimeter long warts standing in spiral rows .

The whitish to pink flowers are 3 to 10 millimeters in diameter. The fruits are 8 to 12 millimeters long.

Systematics, distribution and endangerment

Epithelantha micromeris is distributed in the US states of Arizona , New Mexico and Texas as well as in northern and northern central Mexico , where it grows on limestone rubble. The first description as Mammillaria micromeris was published in 1856 by George Engelmann . Frédéric Albert Constantin Weber placed it in 1898 in the genus Epithelantha, which he created .

The species includes the following subspecies:

  • Epithelantha micromeris subsp. micromeris
  • Epithelantha micromeris subsp. greggii
  • Epithelantha micromeris subsp. pachyrhiza
  • Epithelantha micromeris subsp. polycephala
  • Epithelantha micromeris subsp. unguispina

Epithelantha micromeris is in the endangered Red List species the IUCN as " Least Concern (LC) ", d. H. classified as not endangered in nature.

proof

literature

  • NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape III . The Carnegie Institution of Washington, Washington 1922, p. 93 .
  • Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 253-254 .

Individual evidence

  1. ^ Synopsis of the Cactaceae of the Territory of the United States and Adjacent Regions . P. 260, 1856
  2. ↑ In: Désiré Georges Jean Marie Bois: Dictionnaire d'Horticulture Illustre de 959 figures dans le texte ... Fasicel 2, p. 804, 1898
  3. ↑ Epithelantha micromeris in the endangered Red List species the IUCN 2011. Posted by Fitz Maurice, WA & Fitz Maurice, B., 2002. Retrieved on 5 October 2011th

Web links

Commons : Epithelantha micromeris  - Collection of images, videos and audio files