Mammillaria morganiana

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Mammillaria morganiana
Cactaceae - Mammiliaria morganiana.JPG

Mammillaria morganiana

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

Mammillaria morganiana is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet morganiana honors the American optometrist and succulent lover Meredith Walter Morgan (1887–1957) from Richmond .

description

Mammillaria morganiana first grows individually, later branching out dichotomously and forming groups. The spherical to short cylindrical shoots are bright blue-green with a narrowed apex. They grow up to 8 centimeters in diameter. The pyramidal warts have milky sap . The axillae are covered with fine hairs up to 2 centimeters long. The 4 to 5  central spines are straight, needle-like, white with a brown tip and 1 centimeter long. The 40 to 50 radial spines are white, very fine, needle-like to hairy, twisted and interlocking and up to 1.2 inches long.

The cream-colored to pink flowers have a deep pink central stripe. They are 1.5 inches long and have the same diameter. The red fruits contain brown seeds .

Distribution, systematics and endangerment

Mammillaria morganiana is common in the Mexican state of Guanajuato . It was first described in 1933 by Ernst Tiegel (1879–1936).

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. 147 .

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 158.
  2. ^ Tiegel: Möller's Deutsche Gärtner-Zeitung . Vol. 48, 1933, p. 397.
  3. ↑ Mammillaria morganiana in the IUCN Red List of Threatened Species 2013.2. Posted by: Bárcenas Luna, R., 2010. Retrieved December 27, 2013.

Web links

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