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Arctostaphylos uva-ursi
| Common name: |
Bearberry |
Family: |
Ericaceae |
| Author: |
(L.)Spreng. |
Botanical references: |
11, 17, 200 |
| Synonyms: |
Uva-ursi uva-ursi, Uva-ursi procumbens, Arctostaphylos officinalis, Arbutus uva-ursi (L.) |
| Known Hazards: |
This plant is best not used by pregnant women since it can reduce the supply of blood to the foetus[172]. |
| Range: |
Britain. Northern N. America. N. Europe. N. Asia. |
| Habitat: |
Dry open woods, often on gravelly or sandy soils[212]. It is also found on sand dunes along the coast[212] and is also found on limestone in the European Alps. |
| Edibility Rating (1-5): |
3 | Medicinal Rating (1-5): | 4 |
| Other Possible Synonyms: | From various places across the web, may not be correct. See below. |
| A. adenotricha[B,P]
A. uva-ursi ssp. adenotricha[B,P]
A. uva-ursi ssp. coactilis[B,P]
A. uva-ursi ssp. longipilosa[B,P]
A. uva-ursi ssp. monoensis[B,P]
A. uva-ursi ssp. stipitata[B,P]
A. uva-ursi var. adenotricha[B,P]
A. uva-ursi var. coactilis[B,P]
A. uva-ursi var. leobreweri[B,P]
A. uva-ursi var. marinensis[B,P]
A. uva-ursi var. pacifica[B,P]
A. uva-ursi var. stipitata[B,P]
A. uva-ursi var. suborbiculata[B,P]
A. uvaursi[E,H]
Uva-[P]
|
| Other Common Names: | From various places around the Web, may not be correct. See below. |
| Ayiuzumu [E], Bear's Grape [H], Bearberry [L,H,S,FEIS], Berendruif [D], Coralillo [S], Gayuba [E], Kinnikinick [DEN1,H], Kinnikinnick [S,P], Red Bearberry [B], Uva Ursi [S], Uva Ursi, Bearberry, Kinnikinick [S], Uva Ursi, Bearberry, Kinnikinnick [S], Uva-Ursi [H], |
| Systematics: | From a USDA Plants Database |
|
Order: Ericales. Heath family
|
| Other Range Info: |
From the Ethnobotany Database |
|
Canada(Kwakiutl)
Canada(Salish) Spain Turkey Us Us(Amerindian) Us(Blackfoot) Us(Flathead) Us(Paiute)
|
Physical Characteristics
An evergreen shrub growing to 0.1m by 1m at a medium rate. It is hardy to zone 4 and is not frost tender. It is in leaf all year, in flower from April to July, and the seeds ripen from July to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.
The plant is self-fertile.
We rate it 3/5 for edibility and
4/5 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, neutral and basic (alkaline) soils and can grow in very acid soil.
It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade.
It requires moist soil.
Habitats and Possible Locations
Woodland, Sunny Edge, Dappled Shade, Shady Edge, Ground Cover.Edible Uses
Fruit
Tea.
Fruit - raw or cooked[3, 7, 8, 62, 161, 257]. Insipid, dry and mealy[4,
101, 183], it becomes sweeter when cooked[212]. Added to stews etc, it is a
good source of carbohydrates[101]. The fruit can also be used to make a
cooling drink or used for preserves etc[161, 183]. It can be dried and stored
for later use[257]. The fruit is about 6mm in diameter[200].
A tea is made from the dried leaves[177, 183].
Medicinal Uses
Disclaimer
Antiseptic
Astringent Birthing aid Diuretic Hypnotic Kidney Lithontripic Poultice Skin Tonic Women's complaints.
Bearberry was commonly used by many native North American Indian tribes
to treat a wide range of complaints and has also been used in conventional
herbal medicine for hundreds of years, it is one of the best natural urinary
antiseptics[254]. The leaves contain hydroquinones and are strongly
antibacterial, especially against certain organisms associated with urinary
infections[238]. The plant should be used with caution, however, because
hydroquinones are also toxic[222].
The leaves are antiseptic, astringent, diuretic, lithontripic, hypnotic and
tonic[7, 9, 21, 102, 165, 172, 192]. The dried leaves are used in the
treatment of a variety of complaints[4]. These leaves should be harvested in
early autumn, only green leaves being selected, and then dried in gentle
heat[4]. A tea made from the dried leaves is much used for kidney and bladder
complaints and inflammations of the urinary tract such as acute and chronic
cystitis and urethritis, but it should be used with caution and preferably
only under the supervision of a qualified practitioner[4, 21, 46, 172, 222,
254]. The tea is more effective if the urine is alkaline, thus it is best
used in combination with a vegetable-based diet[254]. Externally, a poultice
of the infused leaves with oil has been used as a salve to treat rashes, skin
sores etc, and as a wash for a baby's head[257]. An infusion of the leaves
has been used as an eyewash, a mouthwash for cankers and sore gums and as a
poultice for back pains, rheumatism, burns etc[257].
The dried leaves have been used for smoking as an alternative to
tobacco[238]. One report says that it is unclear whether this was for
medicinal purposes or for the intoxicated state it could produce[192], whilst
another says that the leaves were smoked to treat headaches and also as a
narcotic[257].
The herb should not be prescribed to children, pregnant women or patients
with kidney disease[238]. Another report says that some native North American
Indian tribes used an infusion of the stems, combined with blueberry stems
(Vaccinium spp) to prevent miscarriage without causing harm to the baby, and
to speed a woman's recovery after the birth[257]. We have a more details factsheet on the history and medicinal use of this plant. Email webmaster@pfaf.org for details.
Other Uses
Beads
Dye Ground cover Pioneer Soil stabilization Tannin Waterproofing.
A yellowish-brown dye is obtained from the leaves[57, 101], it does not
require a mordant[168].
A grey-brown dye is obtained from the fruit[257].
The dried fruits are used in rattles and as beads on necklaces etc[99, 257].
The leaves are a good source of tannin[46, 61, 212].
The mashed berries can be rubbed on the insides of coiled cedar root baskets
in order to waterproof them[257].
A good ground-cover for steep sandy banks in a sunny position[188, 200] or
in light shade[197]. A carpeting plant, growing fairly fast and carpeting as
it spreads[208]. It is valuable for checking soil erosion on watersheds[212].
This is also a pioneer plant in the wild, often being the first plant to
colonize burnt-over areas, especially on poor soils[155].
Cultivation details
Requires a deep moist well-drained light or medium lime-free loam in
sun or semi-shade[3, 11, 200]. One report says that this species succeeds in
alkaline soils[182] (a rather surprising comment considering the general
needs of the genus - it is more likely that the plant can grow on limestone
so long as the soil remains acid[K]).Shade tolerant[31] but plants produce
less fruit when they are grown in the shade[200]. Prefers a cool damp
position.
A very ornamental plant, it is sometimes cultivated for its medicinal
uses[1]. There are a number of named varieties developed for their ornamental
interest[200]. The form 'Massachusetts' is an especially prostrate,
free-flowering and free-fruiting form[183]. 'Anchor Bay', 'Point Reyes' and
'Vulcan's Peak' have all been mentioned as good groundcover forms[200].
This is one of the first plants to colonize bare and rocky ground and burnt
over areas[155]. It is often an indicator of poor soils in the wild[212].
Plants resent root disturbance and should be placed in their final positions
as soon as possible[11, 134].
Hybridizes with other members of this genus, especially A. columbiana.
Propagation
Seed - best sown in a greenhouse as soon as it is ripe. Pre-soak dried
seed in boiling water for 10 - 20 seconds or burn some straw on top of them
and then stratify at 2 - 5° c for 2 months[11, 200]. The seed usually
germinates in 2 - 3 months at 15° c[134]. When large enough to handle, prick
the seedlings out into individual pots and grow them on in a cold frame or
greenhouse for at least their first winter. Plant out in late spring or early
summer.
Cuttings of side shoots of the current season's growth, 5 - 8cm with a heel,
August to December in a frame. The cuttings are very slow and can take a year
to root[1, 78].
Division in early spring. Take care because the plant resents root
disturbance. Pot the divisions up and keep them in a lightly shaded position
in a cold frame or greenhouse until they are growing away actively.
Layering of long branches in early spring[200, 238].
Cultivars
- 'Vulcan's Peak'
- A good groundcover form[200].
- 'Point Reyes'
- A good groundcover form[200].
- 'Massachusetts'
- This plant is an especially prostrate, free-flowering and free-fruiting form[183].
- 'Anchor Bay'
- A good groundcover form[200].
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
- Details of Medicinal Uses, Habitats, etc. in M. Grieve A Modern Herbal (1931) [4]
- [H] Details of Scandanavian and European Common names in Henriette's names database
- [E] Ethnobotany Data
(common names, uses, countries) from the Ethnobotany Database.
- [V] Images
from the Vascular Plant Image Gallery of the Texas A& M Bioinformatics Working Group.
- [W] Photos
(common names, range) from the University of Washington Medicinal Herb Garden.
- [B] Data
(Latin & Common names, other references) from the BONAP's Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands.
- [S] Image
from the Southwest School of Botanical Medicine
- [S] Image
from the Southwest School of Botanical Medicine
- [S] Illustration
from the Southwest School of Botanical Medicine
- [S] SW USA Dist. Maps
from the Southwest School of Botanical Medicine
- [S] Image
from the Southwest School of Botanical Medicine
- [PHARM] Phytochemical Data
(common names, uses, countries) from Dr Duke's Phytochemical Database.
- [G] Data
(Common Names, Uses, Distribution) from the USDA/ARS NPGS's GRIN taxonomic database.
- [C] Taxon data.
from the CalFlora database.
- [P] Data.
(uses, distribution, wetland) from the USDA'a Plants database.
- [DEN] Data _ Photos
(Good Identification info) from the Virginia Tech's Dendrology Deptarments' Tree Fact Sheets.
- [HP] Links, Photos, Suppliers from Hortiplex Plant Database
- [FEIS] Data
(Uses, Ecology, Fire Effects) from the USDA Forestry Service Fire Effects Information System.
References for Arbutus uva-ursi (a possible synonym).
- [H] Details of Scandanavian and European Common names in Henriette's names database
References for Arctostaphylos uvaursi (a possible synonym).
References for the family Ericaceae.
See the PFAF Links Pages for other sources.
Also try Photos and info from the The Plants Database which has 14,000 images.
[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]).
[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.
[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.
[7] Chiej. R. Encyclopaedia of Medicinal Plants. MacDonald 1984 ISBN 0-356-10541-5
Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
[8] Ceres. Free for All. Thorsons Publishers 1977 ISBN 0-7225-0445-4
Edible wild plants in Britain. Small booklet, nothing special.
[9] Launert. E. Edible and Medicinal Plants. Hamlyn 1981 ISBN 0-600-37216-2
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
[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.
[17] Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press 1962
A very comprehensive flora, the standard reference book but it has no pictures.
[21] Lust. J. The Herb Book. Bantam books 1983 ISBN 0-553-23827-2
Lots of information tightly crammed into a fairly small book.
[31] Brown. Shade Plants for Garden and Woodland.
[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.
[57] Schery. R. W. Plants for Man.
Fairly readable but not very comprehensive. Deals with plants from around the world.
[61] Usher. G. A Dictionary of Plants Used by Man. Constable 1974 ISBN 0094579202
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
[62] Elias. T. and Dykeman. P. A Field Guide to N. American Edible Wild Plants. Van Nostrand Reinhold 1982 ISBN 0442222009
Very readable.
[78] Sheat. W. G. Propagation of Trees, Shrubs and Conifers. MacMillan and Co 1948
A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
[99] Turner. N. J. Plants in British Columbian Indian Technology. British Columbia Provincial Museum 1979 ISBN 0-7718-8117-7
Excellent and readable guide.
[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.
[102] Kavasch. B. Native Harvests. Vintage Books 1979 ISBN 0-394-72811-4
Another guide to the wild foods of America.
[134] Rice. G. (Editor) Growing from Seed. Volume 2. Thompson and Morgan. 1988
Very readable magazine with lots of information on propagation. An interesting article on Ensete ventricosum.
[155] Arnberger. L. P. Flowers of the Southwest Mountains. Southwestern Monuments Ass. 1968
A lovely little pocket guide to wild plants in the southern Rockies of America.
[161] Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237. U.S. Depf of Agriculture.
A comprehensive but very terse guide. Not for the casual reader.
[165] Mills. S. Y. The Dictionary of Modern Herbalism.
An excellent small herbal.
[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.
[172] Schofield. J. J. Discovering Wild Plants - Alaska, W. Canada and the Northwest.
A nice guide to some useful plants in that area.
[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.
[182] Thomas. G. S. Ornamental Shrubs, Climbers and Bamboos. Murray 1992 ISBN 0-7195-5043-2
Contains a wide range of plants with a brief description, mainly of their ornamental value but also usually of cultivation details and varieties.
[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.
[188] Brickell. C. The RHS Gardener's Encyclopedia of Plants and Flowers Dorling Kindersley Publishers Ltd. 1990 ISBN 0-86318-386-7
Excellent range of photographs, some cultivation details but very little information on plant uses.
[192] Emboden. W. Narcotic Plants Studio Vista 1979 ISBN 0-289-70864-8
A lot of details about the history, chemistry and use of narcotic plants, including hallucinogens, stimulants, inebriants and hypnotics.
[197] Royal Horticultural Society. Ground Cover Plants. Cassells. 1989 ISBN 0-304-31089-1
A handy little booklet from the R.H.S.
[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.
[208] Thomas. G. S. Plants for Ground Cover J. M. Dent & Sons 1990 ISBN 0-460-12609-1
An excellent detailled book on the subject, very comprehensive.
[212] Craighead. J., Craighead. F. and Davis. R. A Field Guide to Rocky Mountain Wildflowers The Riverside Press 1963 ISBN 63-7093
Excellent little pocket guide to the area, covering 590 species and often giving details of their uses.
[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.
[238] Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. 1995 ISBN 0-7513-020-31
A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
[254] Chevallier. A. The Encyclopedia of Medicinal Plants Dorling Kindersley. London 1996 ISBN 9-780751-303148
An excellent guide to over 500 of the more well known medicinal herbs from around the world.
[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
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