Mammillaria herrerae

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

Mammillaria herrerae is a species of the genus Mammillaria in the cactus family(Cactaceae). The specific epithet herrerae honors the Mexican biologist and naturalist Alfonso L. Herrera (1870–1942), who founded the zoological garden of Chapultepec in1923.

description

Mammillaria herrerae grows individually or sprouts at the base. The spherical shoots reach a diameter of 2 to 3.5 centimeters. The cylindrical warts , trimmed at the tip, are close together. They do not contain milk juice . The axillae are bare. Central spines are absent. The 100 or more bristle-like, white or gray radial spines are unequal, radiating horizontally and interwoven. They are 1 to 5 millimeters long.

The pink flowers reach a length of 2 to 2.5 centimeters. The small, almost spherical fruits are whitish and contain blackish brown seeds .

Distribution, systematics and endangerment

Mammillaria herrerae is common in the Mexican state of Querétaro .

It was first described in 1931 by Erich Werdermann . Synonyms are Chilita herrerae (Werderm.) Buxb. (1954, nom. Inval. ICBN -Article 33.3), Escobariopsis herrerae (Werderm.) Doweld (2000) and Mammillaria herrerai Fric (1924, nom. Inval. ICBN -Article 32.1c).

Mammillaria herrerae is in the endangered Red List species the IUCN as " Critically Endangered (CR) ", d. H. critically endangered, classified.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 386 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 107.
↑ Erich Werdermann: New cacti in the Botanical Garden Berlin-Dahlem . In: Notblatt des Königl. botanical garden and museum in Berlin . Volume 11, Number 104, 1931, pp. 276-277, JSTOR 3994744 .
↑ Mammillaria herrerae in the Red List of Threatened Species of the IUCN 2010. Posted by Fitz Maurice, WA & Fitz Maurice, B., 2002. Retrieved on May 3 of 2010.

Web links

Commons : Mammillaria herrerae - collection of images, videos and audio files

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 107.

[2] Erich Werdermann: New cacti in the Botanical Garden Berlin-Dahlem . In: Notblatt des Königl. botanical garden and museum in Berlin . Volume 11, Number 104, 1931, pp. 276-277, JSTOR 3994744 .

[3] Mammillaria herrerae in the Red List of Threatened Species of the IUCN 2010. Posted by Fitz Maurice, WA & Fitz Maurice, B., 2002. Retrieved on May 3 of 2010.