Mammillaria brandegeei
| Mammillaria brandegeei | ||||||||||||
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Mammillaria brandegeei subsp. glareosa |
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| Scientific name | ||||||||||||
| Mammillaria brandegeei | ||||||||||||
| ( JMCoult. ) K.Brandegee |
Mammillaria brandegeei is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet honors the American botanist Townshend Stith Brandegee .
description
Mammillaria brandegeei usually grows individually or in groups. The plant bodies are depressed, spherical to short-cylindrical. They are dark green and grow to be 9 centimeters in diameter. The warts are conical, firm, square at the base and have a milky sap . The axillae are woolly. The 1 to 4 central spines are reddish-brown with a dark tip, straight, strong and 1 to 1.2 centimeters long. The 9 to 16 radial spines are whitish to yellowish brown, with a dark tip, needle-like and stiff, just about 0.7 to 1 centimeter long.
The flowers are greenish yellow, brownish yellow or only yellow in color. They become 1.5 to 2 inches long. The slowly ripening fruits are hazy pink in color. They contain brown seeds .
Distribution, systematics and endangerment
Mammillaria brandegeei is common in the Mexican state of Baja California .
The first description was in 1894 as Cactus brandegeei by John Merle Coulter . Mary Katharine Brandegee introduced the species to Mammillaria in 1897 .
The following subspecies are distinguished:
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Mammillaria brandegeei subsp. Brandegeei :
The nominate form has 2 to 4 central spines, the flowers are greenish yellow or brownish yellow. -
Mammillaria brandegeei subsp. gabbii (JMCoulter) DRHunt :
The first description was in 1894 as Cactus gabbii by John Merle Coulter . David Richard Hunt introduced the species in 1997 as a subspecies to Mammillaria brandegeei . The subspecies has 1 to 2 central spines and yellowish flowers. -
Mammillaria brandegeei subsp. glareosa (Boed.) DRHunt :
It was first described in 1933 as Mammillaria glareosa by Friedrich Bödeker . David Richard Hunt introduced the species in 1997 as a subspecies to Mammillaria brandegeei . The subspecies has only a central spine and yellowish flowers. -
Mammillaria brandegeei subsp. lewisiana (GELindsay ex HEGates) DRHunt :
The first description was in 1955 as Mammillaria lewisiana by George Edmund Lindsay (1916-2002) and Howard Elliott Gates (1895-1957). David Richard Hunt introduced the species in 1998 as a subspecies to Mammillaria brandegeei . The subspecies has 1 to 3 central spines that are bent over the plant apex.
Synonyms are the following types and varieties described:
- To the subspecies Mammillaria brandegeei subsp. brandegeei :
Cactus brandegeei J.M.Coult. (1894). - To the subspecies Mammillaria brandegeei subsp. gabbii :
Cactus gabbii J.M. Coult. (1894), Mammillaria gabbii (JMCoult.) Engelm. ex K.Brandegee (1897) and Mammillaria brandegeei var gabbii (JMCoult.) RTCraig (1945). - To the subspecies Mammillaria brandegeei subsp. glareosa :
Mammillaria glareosa Boed. (1933), Neomammillaria dawsonii Houghton (1935) and Mammillaria dawsonii (Houghton) RTCraig (1945). - To the subspecies Mammillaria brandegeei subsp. lewisiana :
Mammillaria lewisiana G.E. Lindsay ex HEGates (1955) and Mammillaria gummifera var. lewisiana (GELindsay ex HEGates) E. Kuhn (1981) (nom. inval. ICBN - Article 33.3).
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 separately.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 373-374 .
- Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 115 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 30.
- ↑ JM Coulter: Cactus brandegeei spec. nov. In Contributions from the United States National Herbarium . Smithsonian Institution, 1894, No. 3, p. 96 (online)
- ↑ Notes on cacteae I . In: Erythea . Volume 5, 1897, p. 116, (online)
- ↑ JM Coulter: Cactus gabbii spec. nov. In Contributions from the United States National Herbarium . Smithsonian Institution, 1894, No. 3, p. 109 (online)
- ^ A b D. R. Hunt: Mammillaria Postscripts Volume 9, 1997, p. 11
- ↑ Bödeker: A mammillaria comparison key . 1933, p. 59
- ↑ Lindsay ex Gates: Mammillaria lewisiana spec. nov. In Cactus and Succulent Journal (US) , Vol. 27, 1955, p. 185
- ↑ DR Hunt: Mammillaria Postscripts Volume 7, 1998, p. 3
- ↑ Mammillaria brandegeei in the Red List of Threatened Species of the IUCN 2013.2. Listed by: León de la Luz, JL, 2012. Retrieved December 27, 2013.
