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Rubus leucodermis - Torr.&A.Gray.

Whitebark Raspberry

Author	Torr.&A.Gray.	Botanical references	11, 60, 200
Family	Rosaceae	Genus	Rubus
Synonyms	Rubus occidentalis leucodermis - (Torr.&A.Gray.)Focke.
Known Hazards	None known
Range	Western N. America.
Habitat	Fields and open to wooded hills[60].
Edibility Rating	4 (1-5)	Medicinal Rating	1 (1-5)

Physical Characteristics

A decidious Shrub growing to 2.5m by 1m at a medium rate.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil.

Habitats

Woodland Garden; Sunny Edge; Dappled Shade;

Edible Uses

Edible Parts: Fruit; Stem.

Edible Uses: Tea.

Fruit - raw or cooked in pies, jams etc[2, 3, 101, 183, 257]. A black raspberry, it is a very well flavoured fruit that can also be dried for winter use[1, 2, 177, 183]. The fruit is generally considered to be too soft for it to be grown commercially[2]. The fruit develops a very nice flavour in British gardens and the plant can also yield well here, especially on the eastern side of the country[K]. A refreshing tea can be made from the leaves - it is high in vitamin C[183]. Young shoots - harvested as they emerge in the spring, then peeled and eaten raw or cooked like asparagus[101, 118, 161, 183].

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Astringent; Poultice; Stomachic.

The whole plant is astringent[257]. An infusion of the root or the leaves has been used in the treatment of diarrhoea and upset stomachs[257]. A mild infusion of the roots has been used in the treatment of influenza[257]. A poultice of the powdered stems has been used to treat cuts and wounds[257].

Other Uses

Dye.

A purple to dull blue dye is obtained from the fruit[168].

Cultivation details

Easily grown in a good well-drained loamy soil in sun or semi-shade[1, 11, 200]. Plants strongly dislike windy situations[K]. This species is loosely allied to R. occidentalis[11]. Cultivated for its edible fruit in N. America[1]. This species is a raspberry with biennial stems, it produces a number of new stems each year from the perennial rootstock, these stems fruit in their second year and then die[200]. Plants in this genus are notably susceptible to honey fungus[200].

Propagation

Seed - requires stratification and is best sown in early autumn in a cold frame. Stored seed requires one month stratification at about 3°c and is best sown as early as possible in the year. Prick out the seedlings when they are large enough to handle and grow on in a cold frame. Plant them out into their permanent positions in late spring of the following year. Cuttings of half-ripe wood, July/August in a frame[200]. Tip layering in July. Plant out in autumn. Division in early spring or just before leaf-fall in the autumn[200].

Links

This plant is also mentioned in the following PFAF articles: Woodland Garden Plants.

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.

[3] Simmons. A. E. Growing Unusual Fruit. David and Charles 1972 ISBN 0-7153-5531-7
A very readable book with information on about 100 species that can be grown in Britain (some in greenhouses) and details on how to grow and use them.

[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.

[60] Hitchcock. C. L. Vascular Plants of the Pacific Northwest. University of Washington Press 1955
A standard flora for Western N. America with lots of information on habitat etc. Five large volumes, it is not for the casual reader.

[101] Turner. N. J. and Szczawinski. A. Edible Wild Fruits and Nuts of Canada. National Museum of Natural Sciences 1978
A very readable guide to some wild foods of Canada.

[118] Gunther. E. Ethnobotany of Western Washington. University of Washington Press 1981 ISBN 0-295-95258-X
A small book, it is a good guide to useful plants in Western N. America.

[161] Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237. U.S. Depf of Agriculture. 0
A comprehensive but very terse guide. Not for the casual reader.

[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.

[177] Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books 1984 ISBN 3874292169
An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.

[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.

[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.

[257] Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998 ISBN 0-88192-453-9
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.

Readers Comments

Plants for a Future does not verify the accuracy of reader comments, use at your own risk. In particular Plants For A Future can not take any responsibility for any adverse effects from the use of plants. You should always consult a professional before using plants medicinally.

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