Cochemiea poselgeri

Cochemiea poselgeri is a species of Cochemiea found in Mexico

Description
Cochemiea poselgeri grows in branching clusters from the base, forming large groups. The shoots are cylindrical, up to 2 meters long and 4 cm in diameter, often hanging over rocks. The triangular warts are slightly rounded at the top and spaced apart. The axillae are woolly with a few bristles. The Areoles are white and wooly with a hooked central spine is 1.5 to 2 cm long, and there are up to 8 radial spines, 1 centimeter long, brown with white tips.

The flowers are red, 3 cm in size, with crooked edges. The fruits are red and range from spherical to broadly elongated, 6 to 8 mm in diameter.

Distribution
Cochemiea poselgeri is widespread in Baja California Sur, Mexico at elevations of 0 to 120 meters. It is found growing on flat sandy areas, on rocks and hanging off cliffs and ridges. Plants are found growing among Cochemiea fraileana, Cochemiea schumannii, Cochemiea dioica, Lophocereus schottii, Stenocereus gummosus, Echinocereus brandegeei, Echinocereus barthelowanus, Pachycereus pringlei, Pachycereus pecten-aboriginum, Stenocereus thurberi, Ferocactus townsendianus, Peniocereus johnstonii, Opuntia tapona, Cylindropuntia molesta, Opuntia invicta, Cylindropuntia cholla and Jatropha cinerea.

Taxonomy
Originally described as Mammillaria poselgeri by Heinrich Hildmann in 1885, the species name honors German botanist Heinrich Poselger. Nathaniel Lord Britton and Joseph Nelson Rose reclassified it into the genus Cochemiea in 1923.