Bergenia crassifolia, the badan, Siberian tea, Mongolian tea, leather bergenia, winter-blooming bergenia, heartleaf bergenia, elephant-ears, heart-leaved bergenia or elephant's ears, is a plant species in the genus Bergenia. It is about 12 inches tall. The leaves are spoon-shaped. One cultivar is Bergenia crassifolia 'Autumn Red.' Bergenia crassifolia contains the polyphenols arbutin, kaempferol 3-lathyroside, catechin 3-O-gallate, tannins and the pectin bergenan.