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Betula platyphylla - Sukachev.

Common Name White Birch, Asian white birch,
Family Betulaceae
USDA hardiness 3-6
Known Hazards The aromatic and aliphatic hydrocarbons in birch tar are irritating to the skin. Do not use in patients with oedema or with poor kidney or heart functions [301]
Habitats Highlands, C. and N. Japan[58].
Range E. Asia - northern China, Japan, Korea, Siberia.
Edibility Rating    (2 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Well drained soil Moist Soil Full sun
Betula platyphylla White Birch, Asian white birch,


http://commons.wikimedia.org/wiki/User:Shizhao
Betula platyphylla White Birch, Asian white birch,
http://commons.wikimedia.org/wiki/User:TeunSpaans

 

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Summary

Bloom Color: Brown. Main Bloom Time: Early spring, Early winter, Late spring, Late winter, Mid spring, Mid winter. Form: Oval, Pyramidal, Upright or erect.


Physical Characteristics

 icon of manicon of lolypop
Betula platyphylla is a deciduous Tree growing to 20 m (65ft 7in) at a fast rate.
It is hardy to zone (UK) 5. It is in flower from April to May, and the seeds ripen in September. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay and nutritionally poor soils. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil. The plant can tolerates strong winds but not maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Betula alba subsp. tauschii, Betula latifolia, Betula platyphylla var. japonica, Betula verrucosa va

Habitats

Woodland Garden Canopy; Secondary;

Edible Uses

Edible Parts: Inner bark  Sap
Edible Uses:

Inner bark - cooked. Rich in starch[177]. It can be dried and ground into a meal and used as a thickener in soups etc or mixed with flour for making bread, biscuits etc. Inner bark is generally only seen as a famine food, used when other forms of starch are not available or are in short supply[K]. Sap. Used for making a vinegar[177].

Medicinal Uses

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Antifungal  Antiinflammatory  Antiseborrheic  Cancer  Tonic

The bark of the sub-species Betula platyphylla japonica is often used medicinally in Korea. It contains several medically active constituents including triterpenoids and flavonoids and is antifungal, anti-inflammatory and tonic[279]. It is used in the treatment of conditions such as internal diseases and inflammation[279]. The root bark, and other parts of the plant, show anticancer activity[218]. The German Commission E Monographs, a therapeutic guide to herbal medicine, approve Betula species for infections of the urinary tract, kidney and bladder stones, rheumatism (see [302] for critics of commission E).

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Edible Shrubs provides detailed information, attractively presented, on over 70 shrub species. They have been selected to provide a mix of different plant sizes and growing conditions. Most provide delicious and nutritious fruit, but many also have edible leaves, seeds, flowers, stems or roots, or they yield edible or useful oil.

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Other Uses

None known

Special Uses

Cultivation details

Landscape Uses:Specimen. Succeeds in a well-drained loamy soil in a sunny position[11, 200]. Tolerates most soils including poor soils and heavy clays[200]. Fairly wind tolerant[200]. A fast-growing but short-lived tree[200]. Hybridizes freely with other members of this genus[50]. This species is closely related to B. pendula[11]. A good plant to grow near the compost heap, aiding the fermentation process[20]. Trees are notably susceptible to honey fungus[200]. Special Features: Not North American native, Inconspicuous flowers or blooms.

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Propagation

Seed - best sown as soon as it is ripe in a light position in a cold frame[78, 80, 113, 134]. Only just cover the seed and place the pot in a sunny position[78, 80, 134]. Spring sown seed should be surface sown in a sunny position in a cold frame[113, 134]. If the germination is poor, raising the temperature by covering the seed with glass can help[134]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. If you have sufficient seed, it can be sown in an outdoor seedbed, either as soon as it is ripe or in the early spring - do not cover the spring sown seed. Grow the plants on in the seedbed for 2 years before planting them out into their permanent positions in the winter[78, 80, 113, 134].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

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 it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

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Sukachev.

Botanical References

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Subject : Betula platyphylla  
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