Cleistocactus acanthurus pullatus

Description

Cleistocactus acanthurus grows with shrubby,creeping,ascending or hanging shoots up to 30 centimeters (rarely up to 50 centimeters) long,with diameters of 2 to 5 centimeters.There are 15 to 18 low,rounded ribs,which are divided into indistinct bumps by sharp notches.The 2 to 5 (rarely to 6) middle thorns are yellowish and up to 1.5 centimeters long.They are difficult to distinguish from the approximately 20 to 40 short,thin,yellowish marginal mandibles