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Gaultheria humifusa

Common name:	Alpine Wintergreen	Family:	Ericaceae
Author:	(Graham.)Rydb.	Botanical references:	11, 60
Synonyms:	Vaccinium humifusum (Graham.), Gaultheria myrsinites (Hook.)
Known Hazards:	None known
Range:	Western N. America.
Habitat:	Moist alpine and sub-alpine slopes[60].
Edibility Rating (1-5):	4	Medicinal Rating (1-5):	0

Other Common Names:	From various places around the Web, may not be correct. See below.
	Alpine Spicy-wintergreen [B], Alpine Spicywintergreen [P],
Epithets:	From a Dictionary of Botanical Epithets
	humifusa = prostrate
Systematics:	From a USDA Plants Database
	Order: Ericales. Heath family

Physical Characteristics

An evergreen shrub growing to 0.1m by 0.3m . It is hardy to zone 7. It is in leaf all year, in flower from July to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. We rate it 4/5 for edibility and 0/5 for medicinal use.

The plant prefers light (sandy) and medium (loamy) soils. The plant prefers acid and neutral soils and can grow in very acid soil. It can grow in semi-shade (light woodland) or no shade. It requires moist soil.

Habitats and Possible Locations

Woodland, Sunny Edge, Dappled Shade, Ground Cover.

Edible Uses

Fruit Leaves Tea.

Fruit - raw or cooked[183]. Aromatic and delicious[2, 62, 106] with a flavour of wintergreen. Often used in preserves[183]. The fruit is about 6mm in diameter[200].
Leaves - raw[62]. Used as a wayside nibble[85]. The young tender leaves are especially suited for use as greens[183]. They have a delicate flavour of wintergreen.
A tea is made from the fresh or dried leaves[62, 85, 183].

Medicinal Uses

Disclaimer

None known

Other Uses

Dye Ground cover.

A ground cover plant for positions in the sun or light shade.
A black dye has been made from the plant[257].

Cultivation details

Prefers a moist but not boggy humus rich soil in sun or semi-shade[11]. This species requires a lot of shade[1]. A peat and moisture loving species, it requires a lime-free soil[11].
The plant can make a good nesting place for mice, these mice then eat the bark of the stems in winter causing die-back.
Grows well in a rock garden[11].
This species is closely allied to G. ovatifolia[11].
Plants in this genus are notably resistant to honey fungus[200].

Propagation

The seed requires a period of cold stratification. Pre-chill for 4 - 10 weeks and then surface sow in a lime-free compost in a shady part of the greenhouse and keep the compost moist[78]. The seed usually germinates well, usually within 1 - 2 months at 20° c, but the seedlings are liable to damp off. It is important to water them with care and to ensure that they get plenty of ventilation. Watering them with a garlic infusion can also help to prevent damping of[K]. Prick out the seedlings into individual pots when they are about 25mm tall and grow them on in light shade in the greenhouse for at least their first winter[K]. Plant them out in late spring or early summer. The seedlings are susceptible to spring frosts so might need some protection for their first few years outdoors. The leaves remain very small for the first few years[11].
Cuttings of half-ripe wood 3 - 6cm long, July/August in a frame in a shady position. They form roots in late summer or spring[78]. A good percentage usually take.
Division in spring just before new growth begins[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.
Layering.

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

[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.
[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.
[HP] Links, Photos, Suppliers from Hortiplex Plant Database

References for the family Ericaceae.

[CHINA] Draft Data for parts of family Very detailed botanical/identification info. from the Flora of China.

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.

[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.

[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.

[85] Harrington. H. D. Edible Native Plants of the Rocky Mountains. University of New Mexico Press 1967 ISBN 0-8623-0343-9
A superb book. Very readable, it gives the results of the authors experiments with native edible plants.

[106] Coon. N. The Dictionary of Useful Plants. Rodale Press 1975 ISBN 0-87857-090-x
Interesting reading but short on detail.

[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

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Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
WEB search engine by Rich Morris - Home Page- Contact Info
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