Mammillaria pilispina

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

Mammillaria pilispina is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet pilispina means '(Latin pilispinus) with hair-like spines'.

description

Mammillaria pilispina grows in groups. The hemispherical shoots are 4 centimeters in diameter. The cylindrically shaped warts do not contain milk juice . The axillae are covered with wool and a few hair-like bristles. The 7  central spines are protruding, straight, with 6 approximately central spines at the tip and sides of the areoles , white, basal yellow, with a dark tip and downy hairs. They are 6 to 7 millimeters long. There are several very fine, downy-haired radial spines, which are hair-like, white behind the other thorns.

The cream-white flowers sometimes have a more or less strong pink central stripe. They are 1.5 to 2 centimeters long and have the same diameter. The reddish to orange colored fruits contain black seeds .

Distribution, systematics and endangerment

Mammillaria pilispina is common in the Mexican states of Coahuila , San Luis Potosí , Tamaulipas, and Nuevo León .

It was first described in 1912 by Joseph Anton Purpus .

Synonyms are Chilita pilispina (JAPurpus) Buxb. (1954, nom. Inval. ICBN article 33.3), Escobariopsis pilispina (JAPurpus) Doweld (2000), Mammillaria sanluisensis Shurly (1949), Chilita sanluisensis (Shurly) Buxb. (1954, nom. Inval. ICBN article 33.3), Mammillaria subtilis Backeb. (1950), Mammillaria rayonesii Repp. (1987, nom. Inval. ICBN article 32.1), Mammillaria rayonesensis Repp. (1991) and Escobariopsis rayonesensis (Repp.) Doweld (2000).

Mammillaria pilispina is in the endangered Red List species the IUCN as " Least Concern (LC) ", d. H. classified as not endangered in nature.

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 402 .
  • Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 150 .

Individual evidence

  1. ↑ Seven new cacti from Mexico . In: Monthly for cactus science . Vol. 22, 1912, p. 150 (online) .
  2. ↑ Mammillaria pilispina in the endangered Red List species the IUCN 2011. Posted by Fitz Maurice, WA & Fitz Maurice, B., 2002. Accessed October 15, 2011th

Web links