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Summary

Haageocereus pseudomelanostele is a species of Haageocereus found in Peru.

Description

Haageocereus pseudomelanostele grows shrubby, sometimes forming groups. The upright shoots are richly branched from the base up to 70 cm (28 in) high and 8 cm (3.1 in) in diameter. The large areoles are narrow and lined with white wool. The usually only one central spine is initially protruding, later directed downwards, strong, needle-like and up to 5 cm (2.0 in) long. Sometimes there are additional secondary 3 to 6 central spines with a gray tinge. Numerous yellowish radial spines are up to 1.5 cm (0.59 in) long and mixed with many white bristles up to 3 cm (1.2 in) long.

The white flowers are dark purple on the outside and have a greenish-white to red throat. They are about 10 cm (3.9 in) long. The bright red fruits are ovate, up to 6 cm (2.4 in) long and 4 cm (1.6 in) in diameter.