Harrisia pomanensis
Harrisia pomanensis is a species of cactus.
Description
Harrisia pomanensis sometimes grows a bit bushy. The more or less upright, sometimes arched or prostrate, blue-green or gray-green, glaucous shoots are almost round and have a diameter of 2 to 4 centimeters. There are four to seven blunt, rounded, non-humped ribs. The needle-like, initially reddish to almost white thorns later turn gray with a black tip. The individual central spine is 1 to 2 centimeters long. The six to eight marginal spines reach a length of up to 1 centimeter.The flowers reach a length of up to 15 centimeters. The spherical, slightly bumpy red fruits have a few scales.
Distribution
Harrisia pomanensis is widespread in southern Paraguay, Bolivia and northern Argentina at elevations of 200 to 1200 meters.Harrisia pomanensis is considered an exotic invasive in Australia.