Mammillaria marksiana
Mammillaria marksiana
Mammillaria marksiana is a species of the genus Mammillaria in the cactus family ( Cactaceae ). The specific epithet honors the travel companion of cacti collector Fritz Schwarz Mr. H. Marks.
Description
Mammillaria marksiana grows first individually and later groups forming. The light green to yellowish green shoots are flattened breitkugelig and depressed at the apex and woolly. They are 6 to 15 inches high and 5 to 12 centimeters in diameter. The pyramidal, slightly quadrangular warts cause milky sap. The axillae are woolly. The thorns are hard to be divided into central spines and spines. In total there are 4 to 21 spines present. They are needle-like, golden-yellow to brown, and 5-8 millimeters long.
The bright greenish-yellow flowers are 1.5 inches long and have a diameter of just such. The fruits are clavate, dark to purple and up to 2 inches long. They contain small brown seeds.
Distribution, systematics and hazard
Mammillaria marksiana is common in the Mexican states of Chihuahua, Durango, Sonora and Sinaloa.
The first description was in 1948 by Hans Krainz. A synonym is Mammillaria sonorensis var marksiana ( Krainz ) E.Kuhn (1980, nom. Inval. ICBN article 33.3).
In the Red List of Threatened Species IUCN, the type is known as " Least Concern ( LC) ," ie, than not led at risk.