Mammillaria fraileana
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Mammillaria fraileana |
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| ( Britton & Rose ) Boed. |
Mammillaria fraileana is a species of plant in the genus Mammillaria inthe cactus family (Cactaceae). The epithet of the species honors the Spaniard Manuel Fraile (* 1850), who was inchargeof the cactus collection of the United States Department of Agriculture .
description
The cylindrical, green to reddish-purple plants usually form small cushions. The shoots reach heights of 10 to 15 centimeters with a diameter of 2 to 3 centimeters. The warts do not contain any milky sap , are 5 millimeters long and 3 to 4 millimeters wide at the bottom. The axillae are bare and usually have a few bristles. The 11 to 12 rim spines are needle-like, thin and white. They are 8 to 10 millimeters long. The 3 to 4 dark brown central spines, one of which is hooked, are up to 10 millimeters long.
The bell-shaped, funnel-shaped, pink- red flowers are 2.5 inches long and in diameter. The linear, elongated sepals are darkly tinted. The broad lanceolate, long, pointed petals are pink towards the throat, while they are more pink at the top. The outer petals can also have a dark central stripe. The stamens consist of pink stamens and yellow anthers . The stylus is pink, the stigma in five parts.
The club-shaped, lilac-pink-colored fruits have a flower remnant and contain black, spherical seeds .
Systematics and distribution
The first specimens were collected in 1911 by Joseph Nelson Rose on the islands of Pichilinque Island , Cerralbo Island and Catalina Island off the coast of Baja California Sur , the range of the species.
It was first described as Neomammillaria fraileana in 1923 by Nathaniel Lord Britton and Joseph Nelson Rose. Friedrich Bödeker placed the species in the genus Mammillaria in 1933 .
Synonyms are the following species, forms and varieties described:
Neomammillaria fraileana Britton & Rose (1923), Chilita fraileana (Britton & Rose) Orcutt (1926), Ebnerella fraileana (Britton & Rose) Buxb. (1951), Mammillaria albicans f. fraileana (Britton & Rose) Lüthy (1992), Mammillaria albicans subsp. fraileana (Britton & Rose) DRHunt (1997) and Bartschella albicans subsp. fraileana (Britton & Rose) Doweld (2000).
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 381 .
- Curt Backeberg : Die Cactaceae: Handbuch der Kakteenkunde . 2nd Edition. tape V . Gustav Fischer Verlag, Stuttgart New York 1984, ISBN 3-437-30384-8 , p. 3278 ff .
- Walther Haage : cacti from A to Z . 3. Edition. Quelle & Meyer Verlag, Heidelberg 1986, ISBN 3-494-01142-7 , p. 387 .
Individual evidence
- ^ NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape 4 . The Carnegie Institution of Washington, Washington 1923, p. 157 ff . ( online ).
- ↑ A Mammillaria Comparison Key . Neumann, Neudamm 1933, p. 30
