Mammillaria pennispinosa

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

Mammillaria pennispinosa is a species of Mammillaria in the cactus family(Cactaceae). The specific epithet pennispinosa means 'feathery spiked'.

description

Mammillaria pennispinosa grows individually or later forms groups and has a thick taproot . The spherical shoots reach heights of 3 to 4 centimeters and the same diameter. The cylindrical warts are slack and soft. They do not contain milk juice . The axillae are woolly at first and later bald. The 1 to 3 downy, brownish red central spines are yellow at their base. They are 10 to 12 millimeters long. One of the central spines is hooked. The pinnate, downy, grayish-white to yellow to orange to reddish 16 to 20 radial spines are slender, straight and 5 to 8 millimeters long.

blossoms

fruit

The white flowers have a pink central stripe. They are up to 1.5 centimeters long and reach the same diameter. The red fruits are 1 to 1.5 inches long and contain black seeds .

Distribution, systematics and endangerment

Mammillaria pennispinosa is common in the Mexican states of Coahuila and Durango .

It was first described in 1948 by Hans Krainz . Nomenclatory synonyms are Phellosperma pennispinosa (Krainz) Buxb. (1951) and Escobariopsis pennispinosa (Krainz) Doweld (2000).

Mammillaria pennispinosa was in the Red List of Threatened Species of IUCN in 2002 as " Endangered (EN) , d". H. endangered, classified. In 2013 it was named " Critically Endangered (CR) ". H. critically endangered.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 400 .

Individual evidence

↑ Succulents. Yearbooks of the Swiss Cactus Society . Volume 2, Zurich 1948, pp. 20-21.
↑ Mammillaria pennispinosa in the IUCN Red List of Threatened Species 2013.2. Posted by: Fitz Maurice, WA & Fitz Maurice, B., 2009. Retrieved December 26, 2013.

Web links

Commons : Mammillaria pennispinosa - Collection of images, videos and audio files

[1] Succulents. Yearbooks of the Swiss Cactus Society . Volume 2, Zurich 1948, pp. 20-21.

[2] Mammillaria pennispinosa in the IUCN Red List of Threatened Species 2013.2. Posted by: Fitz Maurice, WA & Fitz Maurice, B., 2009. Retrieved December 26, 2013.