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Summary

Physical Characteristics

Epimedium_koreanum is a PERENNIAL growing to 0.3 m (1ft). It is in flower from May to June. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees. The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland). It prefers dry or moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Edible Uses

None known

References More on Edible Uses

Medicinal Uses

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The aerial parts of the plant contain several medicaly active constituents including flavonoids and phytosteroids[279]. They are used in Korea in the treatment of spermatrrhoea, impotence and forgetfulness[279]. This plant is related to Epimedium grandiflorum, and contains a similar range of bioactive constituents. The uses of that plant are as follows:- The aerial parts of the plant are antiasthmatic, antibacterial, antirheumatic, antitussive, aphrodisiac, hypoglycaemic, tonic and vasodilator. Its use lowers blood sugar levels[116, 176]. It is used in the treatment of impotence, seminal emissions, lumbago, arthritis, numbness and weakness of the limbs, hypertension and chronic bronchitis[176]. It has an action on the genitals similar to the male sex hormone and can increase the weight of the prostate gland and seminal vesicle, it has increased copulation in animals and increases the secretion of semens[176]. The leaves are used as an aphrodisiac[218]. Administered orally, the leaf extract increases the frequency of copulation in animals[218].

References More on Medicinal Uses

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Other Uses

None known

Special Uses

References More on Other Uses

Cultivation details

We have very little information on this species and do not know if it will be hardy in Britain. However, judging by its native range, it is likely to succeed outdoors in most areas of the country. The following notes are based on the general needs of the genus. Succeeds in any fertile humus-rich soil[200], preferring a moist but well-drained peaty loam[1, 280]. Grows best in the light dappled shade of a woodland[200, 280]. Plants can succeed in the dry shade of trees[233]. A shallow-rooting plant, the rhizomes creeping just below the soil and the finer roots occupying the top 30cm of the soil[280]. Plants are self-sterile and so more than one clone is required for cross-fertilization in order for seed to be produced. Plants will often hybridise with other species growing nearby[280]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233].

References Carbon Farming Information and Carbon Sequestration Information

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Plant Propagation

Seed - best sown in a cold frame as soon as it is ripe in late summer[200, 280]. Sow stored seed as early as possible in the year in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in light shade in the cold frame or greenhouse for at least their first winter[K]. Plant them out in mid to late summer[K]. Division in July/August according to one report, in late spring according to another[200]. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring. Cuttings in late summer[200].

Other Names

If available other names are mentioned here

Native Range

TEMPERATE ASIA: Russian Federation (Sakhalin), China (Anhui Sheng, Jilin Sheng, Liaoning Sheng, Zhejiang Sheng), Korea, Japan (Hokkaidô, Honshu)

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so itâ€™s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other
Epimedium koreanum	Korean Epimedium	Perennial	0.3	-		LMH	S	DM	0	3

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

Epimedium_koreanum - Nakai.