Mammillaria sphaerica

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Mammillaria sphaerica
Mamillaria sphaerica (3779397028) .jpg

Mammillaria sphaerica

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Mammillaria
Type : Mammillaria sphaerica
Scientific name
Mammillaria sphaerica
A.Dietr.

Mammillaria sphaerica is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet sphaerica means '(lat. Sphaericus) spherical'.

description

Mammillaria sphaerica often grows in groups that often make up to 50 centimeters in diameter. The spherical shoots measure up to 5 centimeters in diameter. The conical to cylindrical shaped, flaccid warts do not contain milk juice . The axillae are slightly woolly. A yellowish central spine is present. It is straight and 3 to 6 millimeters long. The 12 to 14 radial spines are straight, whitish to light yellow and 6 to 8 millimeters long.

The bright lemon-yellow flowers are 6 to 7 centimeters in diameter. The greenish to more or less purple colored fruits have a pleasant scent. They contain black seeds .

Distribution, systematics and endangerment

Mammillaria sphaerica is common in the Mexican states of Coahuila , Nuevo León, and Tamaulipas .

It was first described in 1853 by Albert Gottfried Dietrich . Synonyms of Mammillaria sphaerica A.Dietr. are Mammillaria longimamma var. sphaerica (A.Dietr.) K.Brandegee ex Bailey (1900) and Dolichothele sphaerica (A.Dietr.) Britton & Rose (1923).

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. 410 .
  • 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. 61 ff . ( online ).
  • Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 158 .

Individual evidence

  1. ↑ Description of some newer and additions to some older cactus species . In: General garden newspaper . Vol. 21, 1853, p. 94 (online)
  2. ↑ Mammillaria sphaerica in the IUCN Red List of Threatened Species 2013.2. Posted by: Heil, K. & Terry, M., 2009. Retrieved December 20, 2013.

Web links

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