Mammillaria compressa

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Mammillaria compressa
Mammillaria compressa subsp. compressa

Mammillaria compressa subsp. compressa

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

Mammillaria compressa is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet compressa means 'compressed, crowded'.

description

Mammillaria compressa , initially occurring individually, the species spreads out in a grass-like manner. The gray-green plant bodies are spherical to club-like and white wool in the apex and are 15 to 20 centimeters long and 5 to 8 centimeters in diameter. They have rhombic, sometimes square-edged warts with a length of up to 10 millimeters and a width of up to 8 millimeters. The axillae have white bristles and are densely white woolly. The 4 to 6 radial spines are 2 to 7 inches long and chalky white with brownish tips (some are shorter). Central spines are absent.

The small, bell-shaped flowers , only 1 to 1.5 centimeters in size, are light pink to purple in color. The round shaped fruits are bright red. The seeds are brown.

Distribution, systematics and endangerment

Mammillaria compressa

Mammillaria compressa is native to the Mexican states of Guanajuato , Querétaro , Hidalgo , Tamaulipas and San Luis Potosí and occurs at altitudes between 850 and 2240 meters.

The first description was in 1828 by Augustin-Pyrame de Candolle .

The following subspecies are distinguished:

  • Mammillaria compressa subsp. compressa :
    Usually forming large pads; Central spines always absent.
  • Mammillaria compressa subsp. centralifera (Repp.) DRHunt :
    The first description was in 1987 by Werner Reppenhagen as Mammillaria centralifera David Richard Hunt presented the species in 1997 as a subspecies to Mammillaria compressa . Often occurring singly; Central spines mostly present.

Synonyms are the following types and varieties described:

  • To the subspecies Mammillaria compressa subsp. compressa :
    Mammillaria subangularis DC. (1828), Mammillaria triacantha DC (1828), Mammillaria cirrhifera Martius (1832), Mammillaria angular Link & Otto (1837), Mammillaria cirrhifera var. Angulosior Lem. (1839), Mammillaria longiseta Mühlenpf. (1845), mammillaria cirrhifera var. Longiseta (Mühlenpf.) Salm-Dyck (1850), mammillaria squarrosa Meinsh. (1859), Mammillaria kleinschmidtiana Zeissold (1898), Mammillaria oettingenii Zeissold (1898), Mammillaria compressa var. Fulvispina Borg (1937), Mammillaria compressa var. Rubrispina Borg (1937), Mammillaria conopsea Scheidw. (1838), Mammillaria esseriana Boed. (1928), Mammillaria tolimensis R.T.Craig (1945), Mammillaria compressa var. Tolimensis (RTCraig) E.Kuhn (1979, nom. Inval. ICBN -Article 33.3) and Mammillaria bernalensis Repp. (1987).
  • To the subspecies Mammillaria compressa subsp. centralifera :
    Mammillaria centralifera Repp. (1987).

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. 376 .
  • Alwin Berger : Cacti - instructions for culture and knowledge of the most important introduced species . Eugen Ulmer, Stuttgart 1929, p. 326 .
  • 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. 90 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. 120 .

Individual evidence

  1. ↑ Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas. Universidad Nacional Autónoma de México, 2003, ISBN 970-9000-20-9 , p. 120.
  2. ↑ John Pilbeam: Mammillaria. Cirio Publ. Services, Holbury 1999, ISBN 0-9528302-8-0 , pp. 76-77.
  3. ↑ de Candolle: Revue de la Famille des Cactées . In: Memoires du Museum d'Histoire Naturelle . Volume 17, 1828, p. 112, (online)
  4. ↑ Werner Reppenhagen: The genus Mammillaria according to the current state of my knowledge , 1987, p. 153
  5. ↑ DR Hunt: Mammillaria Postscripts . Volume 6, 1997, p. 11.
  6. ↑ Mammillaria compressa in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Guadalupe Martínez, J., Sánchez, E. & Bárcenas Luna, R., 2009. Retrieved December 27, 2013.

Web links

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