Calathea Chicago Plants what is this cactus and is the fruit edible : r cactus Opuntia engelmannii, the prickly pear, is an invasive species that actively disrupts the ecosystem wildlife depends on at Loisaba Conservancy. Left unchecked, it spreads rapidly outcompeting native vegetation, degrading grazing land, BIG alternates balcony types to form Copenhagen's Kaktus Towers Glass Cactus Bay Leaf Jukju Glass and Ceramics Limited