Northeastern Asian Flora
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Epimedium koreanum Nakai  
Family: Berberidaceae
[Epimedium cremeum Nakai & F.Maek. ex Honda, moreEpimedium grandiflorum subsp. koreanum (Nakai) Kitam., Epimedium sulphurellum Nakai]
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  • Far Eastern Russia
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Russia Flora: Plant up to 40 cm tall. Rhizome short, horizontal, weakly branched. Basal leaves absent or 2. Stem with one overwintering, twice ternate leaf. Petioles long. Leaf segments thin-leathery, with cordate base, oblique, up to 12 cm long, 9 cm wide, almost entire-margined, ciliate. Inflorescence a few-flowered raceme. Flowers up to 2 cm in diameter. Sepals petaloid, white or pink, ovate-lanceolate, up to 7 mm long. Petals 4, up to 8 mm long, white or violet, with elongated rounded, slightly notched limb and subulate yellowish spur up to 1.5 cm long. Stamens 4. Fruit a capsule, ovoid-oblong, with long style. Seeds few, with elaiosome. 2n=32 (Sokolovskaya, 1966). (Table V).

Distribution: Ussuri (south). (Fig. 13) - In broadleaved forests. Flowering in April, fruiting in July. Protected.

General distribution: Japanese-Chinese (Korean Peninsula). - Described from Korean Peninsula.

Note: E. macrosepalum described by Stern in 1938 (Stern, 1938, J. Linn. Soc. London (Bot.), 51: 485) from Primorye: "Primorye, Suchan River basin, Tigrovaya station" (type - LE), in our opinion, does not deserve species rank, as the indicated characteristics fall within the morphological variability typical of E. koreanum.

Epimedium koreanum
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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