It's a succulent plant native to Africa. Euphorbia trigona can grow to heights of six to eight feet. The plant has thick, three-sided stalks with spines along its edges. ... This variety is known as Euphorbia Trigona Rubra or Royal Red.Sold as a 25-30cm plant with 4 to 5 stalks in a pot 11cm.
Euphorbia Trigona 'Rubra'