Mammillaria mazatlanensis
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Mammillaria mazatlanensis |
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| K. Schum. ex pickle |
Mammillaria mazatlanensis is a species of the genus Mammillaria in the cactus family(Cactaceae). It is named after the Mexican city of Mazatlán .
description
Mammillaria mazatlanensis is short-columned with a gray-green body that sprouts from the base, creating larger groups. The main shoots are up to 12 to 15 inches long and 4 to 5 inches in diameter. The axillae are hardly covered with wool and have bristles. The 12 to 18 radial spines are 1 centimeter long and white. The 3 to 4 central spines are a little longer . They are light brown sometimes one is hooked.
The 4 centimeter long tubular flowers are carmine to purple-pink and self-sterile. The fruits are reddish-yellow or brown. The seeds are black.
Distribution, systematics and endangerment
Mammillaria mazatlanensis is common in the Mexican states of Sonora , Sinaloa , Colima , Jalisco , Michoacán and Nayarit .
It was first described in 1905 by Robert Louis August Maximilian Gürke , after Karl Moritz Schumann had only described the flower of the species in 1901. Nomenclatory synonyms are Chilita mazatlanensis (K.Schum. Ex Gürke) Orcutt (1926), Ebnerella mazatlanensis (K.Schum. Ex Gürke) Buxb. (1951), Escobariopsis mazatlanensis (K.Schum. Ex Gürke) Doweld (2000).
Mammillaria littoralis K.Brandegee (1907), Mammillaria occidentalis (Britton & Rose) Boed were included in the species . (1933), Mammillaria mazatlanensis var. Occidentalis (Britton & Rose) Neutel. (1986), Mammillaria mazatlanensis var. Monocentra R.T. Craig (1945), Mammillaria occidentalis var. Monocentra (RTCraig) Backeb. (1961), Mammillaria occidentalis var. Sinalensis R.T. Craig (1945), Mammillaria patonii var. Sinalensis (RTCraig) Backeb. (1961), Neomammillaria patonii Bravo (1931) and Mammillaria patonii (Bravo) Boed. (1933).
The following subspecies are distinguished:
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Mammillaria mazatlanensis subsp. mazatlanensis :
The nominate form has 1 to 3 central spines, radial spines 12 to 18. The flowers are pink to carmine-red to reddish purple. Occurrence in the entire distribution area. -
Mammillaria mazatlanensis subsp. patonii (Bravo) DRHunt :
It was first described in 1931 as Neomammillaria patonii by Helia Bravo Hollis . David Richard Hunt introduced the species in 1998 as a subspecies to Mammillaria mazatlanensis . The subspecies always has 4 central spines, radial spines 13 to 15. The flowers are purple. It occurs exclusively off the coast of the state of Nayarit on the Tres Marias Islands .
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. 395-396 .
- 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. 138 ( 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. 141 .
Individual evidence
- ↑ Monthly for cactus science . Vol. 15, 1905, pp. 154-156 (online) .
- ↑ Descriptions of unknown or little-known cactus flowers . In: Monthly for cactus science . Vol. 11, 1901, p. 154 (online) .
- ↑ Anales del Instituto de Biologia de la Universidad nacional de Mexico . Volume 2, 1931, p. 129.
- ↑ DR Hunt: Mammillaria Postscripts . Volume 7, 1998, p. 3.
- ↑ Mammillaria mazatlanensis in the IUCN Red List of Threatened Species 2013.2. Posted by: Arreola, H., 2009. Retrieved December 24, 2013.
