Mammillaria anniana
Mammillaria anniana is a species of the genus Mammillaria in the cactus family ( Cactaceae ). The specific epithet honors Anni Lau, wife of Alfred Bernhard Lau plant collector.
Description
Mammillaria anniana growing clumping with spherical or flattened spherical apple green shoots and reaches stature heights of up to 3 centimeters and just such diameter. The gradually tapered warts are turning around. They contain no latex. The axillae are studded with tufts of wool, and twisted hair. The 5-9 needle-like, stiff, yellow to golden- amber colored central spines are 9 to 12 millimeters long. One of them is hooked. The 13 to 14 yellowish white, stiff, thin and straight spines are 6 to 11 millimeters long.
The pale whitish yellow, 8-12 mm long flowers hardly open. Your Perikarpell is conspicuously long. The red fruits have a length of 10-15 millimeters and contain black seeds.
Distribution, systematics and hazard
Mammillaria anniana is common in the Mexican state of Tamaulipas.
The first description was in 1981 by Charles Edward Glass and Robert Alan Foster.
Mammillaria anniana is on the Red List of Threatened Species IUCN as " Critically Endangered (CR ) ', ie threatened with extinction, classified.