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Bergenia crassifolia
Also called Elephant Ears, Elephant's Ears, Elephant Ears [bergenia Crassifolia], Heart Leaved Elephant's Ears, Heartleaf Bergenia, Korean Elephant Ear
Bergenia crassifolia is a species of flowering plant of the genus Bergenia in the family Saxifragaceae. Common names for the species include heart-leaved bergenia, heartleaf bergenia, leather bergenia, winter-blooming bergenia, elephant-ears, elephant's ears, Korean elephant-ear, badan, pigsqueak, Siberian tea, and Mongolian tea.
The species epithet crassifolia means "thick-leaved", while the epithet in the synonym Bergenia cordifolia means "cordate (heart-shaped) leaf" (although the leaves may also be described as spoon-shaped). The cultivar 'Rosa Zeiten' has gained the Royal Horticultural Society's Award of Garden Merit.
It is a widely-grown garden plant; cultivars include Bergenia cordifolia 'Purpurea', Bergenia cordifolia 'Winterglut', Bergenia cordifolia 'Senior', and Bergenia crassifolia 'Autumn Red'. It mainly reproduces vegetatively (by segments of rhizomes), but reproduction by seeds is not excluded. As an ornamental plant, it has been known in culture since the middle of the 18th century, it is used for landscaping, in stone gardens, arrays of shrubs and trees. Gardeners bred several forms with flowers of various colors. The plant prefers semi-shady and shady places with moderately dry, fertile soil. Propagated by dividing the bush in the fall.
The plant contains the polyphenols arbutin, kaempferol 3-lathyroside, catechin 3-O-gallate, tannins and the pectin bergenan.
Bergenia crassifolia is used as a tea substitute in its native Siberia, Altay and Mongolia. For medicinal purposes, rhizomes are used, which are collected by hand, cleaned and washed in cold running water. Large rhizomes are cut into long pieces. After preliminary drying, they are dried in the shade or in a well-ventilated area, laid out in a layer of 5 cm on paper or fabric. Leaves are used much less often. It is used in tanning sole and Russian leather, as well as the impregnation of nets and tarpaulins. The raw materials collected high in the mountains contain more tannides than in the low mountains.
Hairy Bergenia · Chinese Bergenia · Bergenia purpurascens · Himalayan Bergenia · Elephant-ear
Text excerpted from the Wikipedia article Bergenia crassifolia by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
