Pereskiopsis

P. chapistle -

Contains: phenethylamine, B-hydroxy-4-methoxyphenethylamine, tyramine, 3-methoxytyramine.

P. scandens -

Native from the Yucatan region of Mexico to Guatemala. 11 known species of this genus. This is another, unusual leaf bearing Cactus.

Contains: mescaline (.0002%), tyramine, 3-4-dimethoxyphenethylamine.