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Hedysarum boreale

Common name: Sweet Vetch Family: Leguminosae
Author: Nutt. Botanical references: 60, 200
Synonyms:  
Known Hazards: The sub-species H. boreale mackenzii is said to have a slightly toxic root, but no mention about toxicity for this species has been found.
Range: Northern N. America - Saskatchewan to Arizona.
Habitat: Calcareous gravels and rocky slopes[204].
Edibility Rating (1-5): 4Medicinal Rating (1-5):0

Other Common Names:From various places around the Web, may not be correct. See below.
Boreal Sweet-vetch [B], Northern Sweetvetch [P],
Epithets:From a Dictionary of Botanical Epithets
boreale = Northern;
Systematics:From a USDA Plants Database
Order: Fabales. Renamed to Fabaceae -- Pea family

Physical Characteristics

Perennial growing to 0.1m by 0.5m . It is hardy to zone 3. It is in flower from July to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. It can fix Nitrogen. We rate it 4/5 for edibility and 0/5 for medicinal use.

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 cannot grow in the shade. It requires moist soil.

Habitats and Possible Locations

Cultivated Beds.

Edible Uses

Root.

Young tender roots - raw or cooked[183]. Sliced and eaten raw, boiled, baked or added to soups[183]. A sweet carrot[105] or liquorice-like flavour[183].

Medicinal Uses

Disclaimer

None known

Other Uses

None known

Cultivation details

Easily grown in ordinary garden soil in a sunny position, preferring a deep well-drained sandy loam[1, 200].
Plants strongly resent root disturbance and should be placed in their permanent positions as soon as possible[1].
This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200].

Propagation

Seed - sow in a cold frame as soon as it is ripe or in the spring[200]. Stored seed should be pre-soaked for 24 hours in warm water. Prick out the seedlings into individual pots as soon as they are large enough to handle and plant them out into their permanent positions in the summer.
Division in spring. Great care is needed since the plant dislikes root disturbance[200].

Suppliers

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

Web References

See the PFAF Links Pages for other sources.

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

References

[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]).

[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.

[105] Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976
The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.

[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.

[204] Livingstone. B. Flora of Canada National Museums of Canada 1978 ISBN 0-660-00025-3
In 4 volumes, it does not deal with plant uses but gives descriptions and habitats.


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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