Mammillaria lasiacantha

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Mammillaria lasiacantha
Mammillaria lasiacantha subsp. egregia SB 30

Mammillaria lasiacantha subsp. egregia SB 30

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

Mammillaria lasiacantha is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet lasiacantha means '(Latin lasiacanthus) with densely hairy flowers'. English common names are "Golf-ball Pincushion" and "Lace-spine Cactus".

description

Mammillaria lasiacantha usually grows singly or occasionally sprouting. The small, spherical to egg-shaped or short cylindrical, gray-green shoots are 1.5 to 2.5 centimeters in diameter. The cylindrically shaped warts do not contain milk juice . The axillae are bare. The central spines are completely absent. The 26 to 80 radial spines are arranged in several rows. They are white to pinkish-cream, sometimes fluffy and 3 to 5 millimeters long.

The white flowers have a reddish to brownish central stripe. They are up to 1.3 centimeters long and have the same diameter. The scarlet fruits are egg-shaped to club-shaped. They grow to be 1.2 to 2 inches tall and contain black seeds .

Distribution, systematics and endangerment

Mammillaria lasiacantha is common in the Mexican states of Coahuila , Chihuahua , Durango, and Zacatecas .

The first description was in 1856 by George Engelmann .

Synonyms include: Chilita lasiacantha (Engelm.) Orcutt (1926), Ebnerella lasiacantha (Engelm.) Buxb. (1951), Escobariopsis lasiacantha (Engelm.) Doweld (2000), Mammillaria egregia Backeb. ex Rogoz. & Appenz. (1989), Mammillariawohlschlageri Repp. (1987) and Mammillaria lasiacantha var. Denudata Engelm. (1859).

The following subspecies are distinguished:

  • Mammillaria lasiacantha subsp. egregia (Backeb. ex Rogoz. & Appenz.) DRHunt :
    The first description was in 1989 as Mammillaria egregia by Curt Backeberg , Helmut Rogozinski and Othmar Robert Willi Appenzeller . David Richard Hunt introduced the species in 1998 as a subspecies to Mammillaria lasiacantha . The subspecies has more cylindrical bodies with age, around 50 radial spines and rather brownish flowers.
  • Mammillaria lasiacantha subsp. hyalina D.R.
    Hunt : The first description was in 1997 by David Richard Hunt. The subspecies has only 26 radial spines.
  • Mammillaria lasiacantha subsp. lasiacantha :
    The nominate form has 40 to 80 chalky white radial spines that lie close to the plant body.

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. 390 .
  • Curt Backeberg : Die Cactaceae: Handbuch der Kakteenkunde . 2nd Edition. tape V . Gustav Fischer Verlag, Stuttgart / New York 1984, ISBN 3-437-30384-8 , p. 3271 .
  • Alwin Berger : Cacti - instructions for culture and knowledge of the most important introduced species . Eugen Ulmer, Stuttgart 1929, p. 287 .
  • 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. 128 ( online ).

Individual evidence

  1. ↑ Mamillaria lasiacantha . In: Proceedings of the American Academy of Arts and Sciences , Volume 3, 1856, p. 261 (online) .
  2. ↑ Bulletin of the Working Group for Mammary Friends . Vol. 13, No. 3, 1989, pp. 108-116
  3. ^ DR Hunt, Mammillaria Postscripts . Volume 7, 1998, p. 3
  4. ^ DR Hunt, Mammillaria Postscripts . Volume 6, 1997, p. 6
  5. ^ Mammillaria lasiacantha in the IUCN Red List of Threatened Species 2013.2. Posted by: Corral-Díaz, R. & Heil, K., 2009. Retrieved December 26, 2013.

Web links

Commons : Mammillaria lasiacantha  - Collection of images, videos and audio files