Mammillaria gasseriana
Mammillaria gasseriana is a species of the genus Mammillaria in the cactus family ( Cactaceae ). The specific epithet honors the cacti collector and importer Jacob Gasser (1870-1932), whose extensive collection formed the basis of Succulent Plant Collection Zurich.
Description
Mammillaria gasseriana branched at the base, forming groups with spherical to ovoid short, concealed under the white spines shoots 3-4 cm in diameter. The shoot tip is recessed. The cylindrical warts are rounded at the tip and are close together. They contain no latex. The axillae are bald. The 1-2 strong central spines, which may be absent, are light brown and have a dark tip. You are hooked, upstanding, 4-8 millimeters long. The 40 to 50 comb-shaped or sometimes applied to the drive surface spines are white and 5-8 millimeters long.
The wide funnel-shaped flowers are whitish cream with a light brown center stripe and greenish throat. They are 7-8 millimeters long. The club-shaped fruits are brownish red, 6-9 mm long and blackish gray contain seeds.
Distribution, systematics and hazard
Mammillaria gasseriana is common in the Mexican state of Coahuila. The first description was in 1927 by Frederick Boedeker. Synonyms are Chilita gasseriana ( Boed. ) Buxb. Ebner and Ella gasseriana ( Boed. ) Buxb.
Mammillaria gasseriana was in the Red List of Threatened Species IUCN in 2002 as " Vulnerable (VU) ," ie, compromised classified. In 2013 it is called " Endangered ( EN ) ', ie performed as endangered.