Mammillaria columbiana
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Mammillaria columbiana |
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| Salm-Dyck |
Mammillaria columbiana is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet columbiana indicates the type location Colombia.
description
Mammillaria columbiana usually grows individually, rarely forming groups. The narrow cylindrical plant bodies are 10 to 25 centimeters high and 5 to 6 centimeters in diameter. The short and conically shaped warts do not contain any milky juice . The axillae are woolly. The 3 to 7 central spines are colored golden yellow to dark red. They are needle-like, straight and 0.6 to 0.8 inches long. The bristle-like white radial spines 18 to 20 are 0.4 to 0.6 inches long.
The small, deep pink flowers hardly protrude from the axillary wool. The club-shaped fruits are colored orange-red. They contain brown seeds .
Distribution, systematics and endangerment
Mammillaria columbiana is widespread in Mexico , Honduras , Guatemala , Jamaica , Colombia, and Venezuela .
The first description was in 1850 by Joseph zu Salm-Reifferscheidt-Dyck .
The following subspecies are distinguished:
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Mammillaria columbiana subsp. columbiana :
The nominate form has 4 to 6 central spines. It is only found in Jamaica, Colombia and Venezuela. The following species and varieties are synonyms : Mammillaria bogotensis Werderm. (1931), Mammillaria columbiana var. Bogotensis (Werderm.) Dugand (1954), Mammillaria hennisii Boed. (1932), Mammillaria tamayonis Killip ex Schnee (1949), Mammillaria soehlemannii W. Haage & Backeb. (1966, nom. Inval. ICBN -Article 36.1, 37.1) and Mammillaria columbiana var. Albescens W. Haage & Backeb. ex Repp. (1992). -
Mammillaria columbiana subsp. yucatanensis (Britton & Rose) DRHunt :
It was first described in 1923 as Neomammillaria yucatanensis by Nathaniel Lord Britton and Joseph Nelson Rose . David Richard Hunt introduced the species in 1997 as a subspecies to Mammillaria columbiana . The subspecies has 4 to 6 dark red central spines. It is common in the Mexican states of Chiapas and Yucatán as well as in Honduras and Guatemala. Synonyms are the following described species and varieties: Neomammillaria yucatanensis Britton & Rose (1923), Mammillaria yucatanensis (Britton & Rose) Orcutt (1926), Mammillaria ruestii Quehl (1905), Mammillaria celsiana var. Guatemalensis Eichlam (1909), Mammillaria ruesticina Boedillina . (1933), Mammillaria ruesticina Repp. (1975, nom. Inval. ICBN article 32.1), Mammillaria chiapensis Repp. (1992) and Mammillaria jamaicensis Areces (2001).
In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered. The subspecies were not recorded individually.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 375 .
- Ulises Guzmán: Catálogo de cactáceas mexicanas . Universidad National Autonoma de México, Mexico City 2007, ISBN 970-9000-20-9 , pp. 119 .
Individual evidence
- ↑ Cacteae in Horto Dyckensi Cultae. (Anno 1849), 1850, p. 99
- ^ 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. 114 ( online ).
- ↑ DR Hunt: Mammillaria Postscripts . Volume 6, 1997 p. 9.
- ↑ Mammillaria columbiana in the IUCN Red List of Threatened Species 2013.2. Posted by: Nassar, J., Ishiki, M., Hammel, B., Hernández, HM & Durán, R., 2011. Retrieved December 27, 2013.
