Mammillaria elongata

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Mammillaria elongata
Mammillaria elongata

Mammillaria elongata

Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Mammillaria
Type : Mammillaria elongata
Scientific name
Mammillaria elongata
DC.
Mammillaria elongata Plate 174 from 1921 from Blooming Cacti

Mammillaria elongata is a species of the genus Mammillaria in the cactus family(Cactaceae). The epithet of the species means elongated .

description

Mammillaria elongata forms cushions with elongated cylindrical shoots that reach 1 to 3 centimeters in diameter. Their warts are slender-conical, their axillae (almost) bare. The central spine is usually absent, but there are rarely two yellow to brownish central spines with dark tips that are between 10 and 15 millimeters long. The 10 to 25 radial spines are white to golden yellow, slender and needle-like. They are 4 to 9 millimeters long.

The pale yellow to slightly pink flowers are up to 10 millimeters long and in diameter. The initially pink fruits turn red later and contain brown seeds .

Distribution, systematics and endangerment

Mammillaria elongata is common in the Mexican states of Hidalgo , Guanajuato and Querétaro .

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

Synonyms are the following species , varieties and forms described :
Neomammillaria elongata (DC) Britton & Rose (1923), Chilita elongata (DC) Orcutt (1926), Leptocladia elongata (DC) Buxb. (1951, incorrect name ICBN -Article 11.4), Leptocladodia elongata Buxb. (1960, nom. Invalid. ICBN -Article 33.3), Krainzia elongata (DC) Doweld (2000), Mammillaria intertexta DC (1828), Leptocladodia elongata fa. intertexta (DC) Krainz (1967, nom. inval. ICBN -Article 43.1), Mammillaria subcrocea DC (1828), Mammillaria tenuis DC (1828), Leptocladodia elongata fa. tenuis (DC) Krainz (1967, nom. inval. ICBN -Article 43.1), Mammillaria tenuis var. media DC (1828), Mammillaria echinata DC (1834), Mammillaria elongata var. echinata (DC) K.Schum. (1898), Mammillaria subcrocea var. Echinata (DC) Y.Ito (1952, nom. Inval. ICBN -Article 33.3), Mammillaria stella-aurata Mart. ex Zucc. (1837) and Leptocladodia elongata fa. stella-aurata (Mart.) Krainz (1967, nom. inval. ICBN -Article 43.1).

There are two subspecies :

  • Mammillaria elongata subsp. echinaria (DC) DRHunt :
    It was first described in 1829 as Mammillaria echinaria by Augustin-Pyrame de Candolle. David Richard Hunt introduced the species in 1997 as a subspecies to Mammillaria elongata . The subspecies has two to three dark colored central spines that are up to 1.5 centimeters long. There are other synonyms for the subspecies.
  • Mammillaria elongata subsp. elongata :
    The nominate form usually has no central spines, occasionally two short ones. There are other synonyms for the subspecies.

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

Individual evidence

  1. ↑ a b Mémoires du Museum d'Histoire Naturelle . Volume 17, Paris 1828, pp. 109-110, online .
  2. ↑ DR Hunt: Mammillaria Postscripts . Volume 6, 1997 p. 7.
  3. ↑ Mammillaria elongata in the IUCN Red List of Threatened Species 2013.2. Posted by: Gómez-Hinostrosa, C., Sánchez, E., Guadalupe Martínez, J. & Bárcenas Luna, R., 2009. Retrieved December 26, 2013.

Web links

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