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Pinus koraiensis

Common name: Korean Nut Pine Family: Pinaceae
Author: Siebold.& Zucc. Botanical references: 11, 200, 266
Synonyms: Pinus mandschurica (Rupr.)
Known Hazards: The wood, sawdust and resins from various species of pine can cause dermatitis in sensitive people[222].
Range: E. Asia - China, Korea, Manchuria, Siberia.
Habitat: Dry mountain slopes, especially those facing north, to 2600 metres[74, 120].
Edibility Rating (1-5): 4Medicinal Rating (1-5):2

Other Possible Synonyms:From various places across the web, may not be correct. See below.
Prunus mandschurica[HORTIPLEX]
Other Common Names:From various places around the Web, may not be correct. See below.
Hai Sung [E], Haisung [E], Korean Pine [H], Tyosen-Goyo [E],
Systematics:From a USDA Plants Database
Order: Pinales. Pine family
Other Range Info: From the Ethnobotany Database
China Korea

Physical Characteristics

An evergreen tree growing to 20m at a medium rate. It is hardy to zone 3. It is in leaf all year, in flower in May, and the seeds ripen in September. The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Wind. The plant not is self-fertile. We rate it 4/5 for edibility and 2/5 for medicinal use.

The plant prefers light (sandy) and medium (loamy) soils, requires well-drained soil and can grow in nutritionally poor soil. The plant prefers acid and neutral soils. It cannot grow in the shade. It requires dry or moist soil and can tolerate drought.

Habitats and Possible Locations

Woodland, Canopy.

Edible Uses

Condiment Seed.

Seed - raw or cooked. Rich in oil[2, 11, 46, 63, 74, 81]. A soft texture with a hint of resin in the flavour, it makes a delicious snack and can also be used as a staple food[K]. The seed can also be dried and ground into a powder then used as a flavouring and thickener in soups etc[183]. Fairly large, the seeds are up to16mm x 12mm[200].
A vanillin flavouring is obtained as a by-product of other resins that are released from the pulpwood[200].

Medicinal Uses

Disclaimer

Analgesic Antibacterial Antiinflammatory Galactogogue Poultice.

The seed contains several medically active compounds and is analgesic, antibacterial and antiinflammatory[279]. It is used in Korea in the treatment of earache, epistaxis and to promote milk flow in nursing mothers[279].
The turpentine obtained from the resin of all pine trees is antiseptic, diuretic, rubefacient and vermifuge[4]. It is a valuable remedy used internally in the treatment of kidney and bladder complaints and is used both internally and as a rub and steam bath in the treatment of rheumatic affections[4]. It is also very beneficial to the respiratory system and so is useful in treating diseases of the mucous membranes and respiratory complaints such as coughs, colds, influenza and TB[4]. Externally it is a very beneficial treatment for a variety of skin complaints, wounds, sores, burns, boils etc and is used in the form of liniment plasters, poultices, herbal steam baths and inhalers[4].
The stem bark is used in the treatment of burns and skin ailments[218].

Other Uses

Dye Herbicide Oil Resin Tannin Wood.

A tan or green dye is obtained from the needles[168].
The seeds are a source of soap and lubricating oil[266].
Tannin is obtained from the bark[266].
The needles contain a substance called terpene, this is released when rain washes over the needles and it has a negative effect on the germination of some plants, including wheat[201].
Yields turpentine and tar[74]. Oleo-resins are present in the tissues of all species of pines, but these are often not present in sufficient quantity to make their extraction economically worthwhile[64]. The resins are obtained by tapping the trunk, or by destructive distillation of the wood[4, 64]. In general, trees from warmer areas of distribution give the higher yields[64]. Turpentine consists of an average of 20% of the oleo-resin[64] and is separated by distillation[4, 64]. Turpentine has a wide range of uses including as a solvent for waxes etc, for making varnish, medicinal etc[4]. Rosin is the substance left after turpentine is removed. This is used by violinists on their bows and also in making sealing wax, varnish etc[4]. Pitch can also be obtained from the resin and is used for waterproofing, as a wood preservative etc.
Wood. Used for construction and carpentry[74, 81]. The timber is used for construction, bridge building, vehicles, furniture, and wood pulp[266].

Cultivation details

Thrives in a light well-drained sandy or gravelly loam[1, 11]. Dislikes poorly drained moorland soils[1]. Established plants tolerate drought[200]. This species prefers a cool moist climate[81].
Leaf secretions inhibit the germination of seeds, thereby inhibiting the growth of other plants below the tree[18].
This species is sometimes cultivated for its edible seed, there are some named varieties[183]. It is one of the main species utilized for its edible seeds[200], being gathered from cultivated and wild trees. Large quantities of the seeds are exported as a food crop from N. China[183]. Plants bear cones when they are 3.5 metres tall in &ndndndnd[59].
Trees are slow growing when young[11, 81]. Growth in the south-east of Britain is generally poor but trees in the west and north are healthy and growing well with average annual height increases of around 25cm and girth increases of 3cm or more[185].
Plants are strongly outbreeding, self-fertilized seed usually grows poorly[200]. They hybridize freely with other members of this genus[200]. The cones do not open, seed is extracted by breaking up the soft scales of the cone[200].
Plants in this genus are notably susceptible to honey fungus[200].

Propagation

It is best to sow the seed in individual pots in a cold frame as soon as it is ripe if this is possible otherwise in late winter. A short stratification of 6 weeks at 4° c can improve the germination of stored seed[80]. Plant seedlings out into their permanent positions as soon as possible and protect them for their first winter or two[11]. Plants have a very sparse root system and the sooner they are planted into their permanent positions the better they will grow[K]. Trees should be planted into their permanent positions when they are quite small, between 30 and 90cm[200]. We actually plant them out when they are about 5 - 10cm tall. So long as they are given a very good weed-excluding mulch they establish very well[K]. Larger trees will check badly and hardly put on any growth for several years. This also badly affects root development and wind resistance[200].
Cuttings. This method only works when taken from very young trees less than 10 years old. Use single leaf fascicles with the base of the short shoot. Disbudding the shoots some weeks before taking the cuttings can help. Cuttings are normally slow to grow away[81].

Cultivars

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No entries have been made for this species as yet.

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

PFAF Web Pages

This plant is mentioned in the following web pages

Web References

References for the family Pinaceae.

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[K] Ken Fern
Notes from observations, tasting etc at Plants For A Future and on field trips.

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[2] Hedrick. U. P. Sturtevant's Edible Plants of the World. Dover Publications 1972 ISBN 0-486-20459-6
Lots of entries, quite a lot of information in most entries and references.

[4] Grieve. A Modern Herbal. Penguin 1984 ISBN 0-14-046-440-9
Not so modern (1930's?) but lots of information, mainly temperate plants.

[11] Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981
A classic with a wealth of information on the plants, but poor on pictures.

[18] Philbrick H. and Gregg R. B. Companion Plants. Watkins 1979
Details of beneficial and antagonistic relationships between neighbouring plants.

[46] Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim 1959
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.

[59] Thurston. Trees and Shrubs in &ndndndnd.
Trees and shrubs that succeed in &ndndndnd based on the authors own observations. Good but rather dated.

[63] Howes. F. N. Nuts. Faber 1948
Rather old but still a masterpiece. Has sections on tropical and temperate plants with edible nuts plus a section on nut plants in Britain. Very readable.

[64] Howes. F. N. Vegetable Gums and Resins. Faber
A very good book dealing with the subject in a readable way.

[74] Komarov. V. L. Flora of the USSR. Israel Program for Scientific Translation 1968
An immense (25 or more large volumes) and not yet completed translation of the Russian flora. Full of information on plant uses and habitats but heavy going for casual readers.

[80] McMillan-Browse. P. Hardy Woody Plants from Seed. Grower Books 1985 ISBN 0-901361-21-6
Does not deal with many species but it is very comprehensive on those that it does cover. Not for casual reading.

[81] Rushforth. K. Conifers. Christopher Helm 1987 ISBN 0-7470-2801-X
Deals with conifers that can be grown outdoors in Britain. Good notes on cultivation and a few bits about plant uses.

[120] ? The Plantsman. Vol. 2. 1980 - 1981. Royal Horticultural Society 1980
Excerpts from the periodical giving cultivation details and other notes on some of the useful plants including Billardiera spp, Calochortus spp, Drimys spp.

[168] Grae. I. Nature's Colors - Dyes from Plants. MacMillan Publishing Co. New York. 1974 ISBN 0-02-544950-8
A very good and readable book on dyeing.

[183] Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications 1990 ISBN 0-9628087-0-9
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.

[185] Mitchell. A. F. Conifers in the British Isles. HMSO 1975 ISBN 0-11-710012-9
A bit out of date (first published in 1972), but an excellent guide to how well the various species of conifers grow in Britain giving locations of trees.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[201] Allardice.P. A - Z of Companion Planting. Cassell Publishers Ltd. 1993 ISBN 0-304-34324-2
A well produced and very readable book.

[218] Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985 ISBN 0-917256-20-4
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.

[222] Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America. Houghton Mifflin Co. 1990 ISBN 0395467225
A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.

[266] Flora of China 1994
On-line version of the Flora - an excellent resource giving basic info on habitat and some uses.


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