Epimedium(redirected from epimediums)
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a genus of perennial rhizomatous herbs of the family Berberidaceae. The leaves are compound. The small, variously colored flowers are in simple or compound inflorescences. The petals, which are arranged crosswise, usually have spurs or hoods and are partly covered by petaloid stipules. There are from 20 to 25 species, distributed in Eurasia and Northwest Africa. The USSR has four species, growing in Transcaucasia and the Far East. Some species are used as ornamentals, especially in rocky places. Ornamentals include E. alpinum, which grows in the Alps and on the Balkan Peninsula; E. pinnatum and E.colchicum, which occur in Transcaucasia and Iran; and E.grandiflorum, which is found in Korea, Japan, and Northeast China.