Mammillaria tayloriorum

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Mammillaria tayloriorum
Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Mammillaria
Type : Mammillaria tayloriorum
Scientific name
Mammillaria tayloriorum
Glass & RAFoster

Mammillaria tayloriorum is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet honors the American cactus connoisseurs Bob and Suzanne Taylor from El Cajon in California.

description

Mammillaria tayloriorum first grows individually, later sprouting laterally and from the base and forming groups. The light green shoots are spherical to thick cylindrical in shape. They are 25 centimeters high and sometimes even higher and have a diameter of 10 to 11 centimeters. The warts are pyramidal in shape. The axillae are initially very woolly and later sparsely woolly with sometimes few bristles. The 2 to 4  central spines are similar to the radial spines. The 12 radial spines are slightly curved, orange-brown when young, later white with a brownish tip and up to 9 millimeters long.

The urn-shaped flowers are cherry-colored with whitish-edged perianth segments . They measure 1.5 centimeters in length and diameter. The club-shaped fruits are red. They contain brown seeds .

Distribution, systematics and endangerment

Mammillaria tayloriorum is widespread in the Mexican state of Sonora on the island of San Pedro Nolasco .

It was first described in 1975 by Charles Edward Glass and Robert Alan Foster . A synonym of Mammillaria tayloriorum Glass & RAFoster is Mammillaria sonorensis var. Tayloriorum (Glass & RAFoster) E. Kuhn (1980, nom. Inval. ICBN -Article 33.3).

In the Red List of Threatened Species of IUCN is the species as " Vulnerable (VU) ", 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. 412 .
  • Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 160 .

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 236.
  2. ^ CE Glass, RA Foster: Mammillaria tayloriorum: a new species from San Pedro Nolasco Island . In: Cactus and Succulent Journal . Vol. 47, No. 4, Los Angeles 1975, pp. 173-176.
  3. ↑ Mammillaria tayloriorum in the IUCN Red List of Threatened Species 2013.2. Posted by: Burquez Montijo, A., Felger, RS & Porter, JM, 2010. Retrieved December 27, 2013.

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