Mammillaria angelensis

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Mammillaria angelensis
Systematics
Order : Clove-like (Caryophyllales)
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Mammillaria
Type : Mammillaria angelensis
Scientific name
Mammillaria angelensis
RTCraig

Mammillaria angelensis is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet angelensis means 'from the site near Los Ángeles Bay, the island of Isla Ángel de la Guarda '.

description

Mammillaria angelensis usually grows individually, sometimes forming groups. The individual plant bodies are spherical to short cylindrical. They grow up to six inches high and about six inches in diameter. The dark blue-green warts are conical in shape. The axillae are densely woolly and covered with white bristles up to 1 centimeter long. The 3 to 4  central spines are straight, purple-brown with a light base and up to 1.5 centimeters long; the bottom is often longer and hooked. The 16 to 20 radial spines are also stiff, smooth white and 0.5 to 1 centimeter long.

The flowers are white to darker and have a pink central stripe. They grow to be up to 2 inches long and 3 inches in diameter. The fruits are red. They contain black seeds .

Distribution and systematics

Mammillaria angelensis is distributed in the Mexican state of Baja California in the Bahía de los Ángeles bay and on the opposite islands Isla la Ventana and Isla Ángel de la Guarda .

The first description was in 1945 by Robert T. Craig . Synonyms are Ebnerella angelensis (RTCraig) Buxb. (1951), Chilita angelensis (RTCraig) Buxb. (1954) (nom. Inval. ICBN article 33.3), Mammillaria dioica f. angelensis (RTCraig) Neutel. (1986) Mammillaria dioica subsp. angelensis (RTCraig) DRHunt (1998) and Cochemiea dioica supsp. angelensis (RTCraig) Doweld (2000).

proof

literature

  • Edward F. Anderson : The Great Cactus Lexicon . 2nd Edition. Eugen Ulmer KG, Stuttgart 2011, ISBN 978-3-8001-5964-2 , pp. 369 .
  • Ulises Guzmán, Salvador Arias, Patricia Dávila: Catálogo de cactáceas mexicanas . Universidad Nacional Autónoma de México, Mexico City 2003, ISBN 970-9000-20-9 , pp. 122 .

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 10.
  2. ↑ Robert T. Craig : The Mammillaria handbook: with descriptions, illustrations, and key to the species of the genus Mammillaria of the Cactaceae . EP Publishing, University of Wisconsin - Madison 1963, ISBN 0-85409-330-3 , pp. 165 .

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