Mammillaria insularis
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Mammillaria insularis is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet insularis means ' coming from islands'.
description
Mammillaria insularis sometimes grows individually but usually in groups. The flattened, mostly spherical, blue-green plant bodies are up to 6 centimeters high and 5 centimeters in diameter. The roots are fleshy. The individual warts are conical in shape and have no milky sap . The axillae are bare or covered with a few bristles. The hooked central spine has a brown tip and is 1 centimeter long. The 20 to 30 radial spines are needle-like white and up to 0.5 centimeters in size.
The 1.5 to 2.5 cm large funnel-shaped flowers are light pink. The fruits are up to 1 centimeter in size and are club-shaped and orange-red in color. The seeds are black.
Distribution, systematics and endangerment
Mammillaria insularis is common in the Mexican state of Baja California on the islands and the mainland near Bahía de los Ángeles .
It was first described in 1938 by Howard Elliott Gates .
Synonyms are the following described species: Ebnerella insularis (HEGates) Buxb. (1951), Chilita insularis (HEGates) Buxb. , (1954, nom. Inval. ICBN -Article 33.3) and Bartschella insularis (HEGates) Doweld (2000).
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. 388 .
- Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 133 .
Individual evidence
- ^ HE Gates: Cactus and Succulent Journal . Volume 10, Number 2, Los Angeles 1938, p. 25.
- ↑ Mammillaria insularis in the IUCN Red List of Threatened Species 2013.2. Posted by: León de la Luz, JL, Gómez-Hinostrosa, C. & Hernández, HM, 2012. Retrieved December 24, 2013.