Mammillaria spinosissima

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Mammillaria spinosissima
Mammillaria spinosissima

Mammillaria spinosissima

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Mammillaria
Type : Mammillaria spinosissima
Scientific name
Mammillaria spinosissima
Lem.
Mammillaria spinosissima subsp. pilcayensis

Mammillaria spinosissima is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet spinosissima means 'very thorny'.

description

Mammillaria spinosissima simply grows cylindrical. The blue-green bodies can be up to 30 centimeters long and 6 to 7 centimeters in diameter. They are densely surrounded by thorns . The rounded parting is woolly with upright thorns. The axillae are somewhat woolly and bristly. The slightly angular to conical warts are 4 to 5 millimeters long. The areoles are short, rounded, later bald. The 10 to 30 radial spines are radiant, bristle-shaped and 2 to 18 millimeters long. The 2 to 17  central spines are somewhat stronger and 1 to 2 centimeters long, hardly piercing and very differently colored; from pure white, dirty white, yellowish, ruby ​​red or dark red-brown.

The flowers appearing in the wreath are 2 centimeters long. The outer petals are brownish with a pinkish-red edge, the inner petals are fiery carmine. The scars are greenish. The fruits are reddish brown or greenish. The seeds are brown.

Distribution, systematics and endangerment

Mammillaria spinosissima is distributed in the Mexican states of Guerrero and Morelos in mountainous regions between 600 and 1900 meters.

It was first described in 1838 by Charles Lemaire . There are a lot of invalid double descriptions and recombinations and a multitude of synonyms .

The following subspecies are distinguished:

  • Mammillaria spinosissima subsp. spinosissima
  • Mammillaria spinosissima subsp. pilcayensis (Bravo) DRHunt :
    The first description was in 1958 by Helia Bravo Hollis as Mammillaria pitcayensis . David Richard Hunt introduced it in 1997 as a subspecies to Mammillaria spinosissima .
  • Mammillaria spinosissima subsp. tepoxtlana (A.Dietr.) DRHunt  :
    It was first described in 1846 by Albert Gottfried Dietrich as Mammillaria auricoma David Richard Hunt placed it in 1997 as a subspecies to Mammillaria spinosissima .

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, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 410-411 .
  • 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. 117 ff . ( online ).
  • Ulises Guzmán: Catálogo de cactáceas mexicanas . Universidad National Autonoma de México, Mexico City 2007, ISBN 970-9000-20-9 , pp. 293 .
  • John Pilbeam : Mammillaria The Cactus File Handbook . cactusfile.com, Southampton 1999, ISBN 0-9528302-8-0 , pp. 278 ff .

Individual evidence

  1. ↑ Cactearum aliquot novarum ac insuetarum in Horto monvilliano cultarum accurata descriptio . 1838, p. 4 (online) .
  2. ^ Bravo: Anales del Instituto de Biologia de la Universidad nacional de Mexico . Volume 28, 1958, p. 37.
  3. ↑ a b Hunt: Mammillaria Postscripts . Volume 6, 1997, p. 8.
  4. ^ A. Dietrich: Contributions to the Cacteen customer . In: General garden newspaper . Volume 14, number 39, 1846, p. 308 (online) .
  5. ↑ Mammillaria spinosissima in the IUCN Red List of Threatened Species 2013.2. Posted by: Goettsch, BK, 2013. Retrieved December 27, 2013.

Web links

Commons : Mammillaria spinosissima  - album with pictures, videos and audio files