Bougainvillea spectabilis Bougainvillier remarquable Donkey Ear (Kalanchoe gastoni) is a succulent originating from Madagascar. It has very unique grey green leaves, which droop much like a donkey's ears. At the end of the leaves, a small plantlet Vegan Gyro Planted in the Kitchen 10 Houseplants for Scandinavian Style Interiors Plant Pathology and Molecular Diagnostics Laboratory Washington State Department of Agriculture