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Elymus canadensis

Common name:	Canadian Wild Rye	Family:	Gramineae
Author:	L.	Botanical references:	43, 200, 236
Synonyms:
Known Hazards:	None known
Range:	N. America - in most areas except the far south. Recorded, but not yet naturalized in N. Europe[50]
Habitat:	Dry sandy gravelly or rocky soil[43]. Thickets and open woods in limestone and sandy clay soils in Texas[274].
Edibility Rating (1-5):	2	Medicinal Rating (1-5):	0

Other Possible Synonyms:	From various places across the web, may not be correct. See below.
	E. brachystachys[B] E. canadensis var. brachystachys[B] E. canadensis var. hirsutus[B] E. canadensis var. interruptus[B,P] E. canadensis var. robustus[B] E. crescendus[B] E. diversiglumis[P] E. interruptus[B,G,P] E. philadelphicus[B,G] E. philadelphicus var. hirsutus[B] E. robustus[B]
Other Common Names:	From various places around the Web, may not be correct. See below.
	Canada Wild Rye [H,L], Canada Wildrye [FEIS,P], Nodding Wild Rye [B], Texas Wild Rye [B], Texas Wildrye [P],
Epithets:	From a Dictionary of Botanical Epithets
	canadensis = northeastern America; cana = grayed due to hairs;
Systematics:	From a USDA Plants Database
	Order: Cyperales. Renamed to Poaceae -- Grass family

Physical Characteristics

Perennial growing to 0.75m by 1m . It is hardy to zone 3 and is not frost tender. It is in flower from July to August, and the seeds ripen from September to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind. We rate it 2/5 for edibility and 0/5 for medicinal use.

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

Habitats and Possible Locations

Cultivated Beds.

Edible Uses

Seed.

Seed - cooked[105, 161, 177]. It can be ground into a flour and used to make bread. Quite fiddly to use, the seed is small and difficult to separate[K]. The seed was an important item of food for the Paiute Indians of south-western N. America[183].

Medicinal Uses

Disclaimer

None known

Other Uses

Soil stabilization.

The plant has an extensive root system and can be used for binding sand dunes[61].

Cultivation details

An easily grown plant, it succeeds in most soils, preferring a sandy soil and a sunny position[1, 162].
Plants can flower too late to ripen their seed in Britain, especially in the western half of the country[K].
A polymorphic species[1].

Propagation

Seed - sow mid spring in situ and only just cover the seed[162]. Germination should take place within 2 weeks.
If the supply of seed is limited, it can also be sown in mid spring in a cold frame. Only just cover the seed. When large enough to handle, prick the seedlings out into individual pots and plant them out in summer[K]
Division in spring or summer[162]. Very easy, 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.

Suppliers

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

Web References

[H] Details of Scandanavian and European Common names in Henriette's names database
[V] Images from the Vascular Plant Image Gallery of the Texas A&M Bioinformatics Working Group.
[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.
[FEIS] Data (Uses, Ecology, Fire Effects) from the USDA Forestry Service Fire Effects Information System.
[HP] Links, Photos, Suppliers from Hortiplex Plant Database

References for Elymus interruptus (a possible synonym).

[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.
[P] Data. (uses, distribution, wetland) from the USDA'a Plants database.

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]).

[43] Fernald. M. L. Gray's Manual of Botany. American Book Co. 1950
A bit dated but good and concise flora of the eastern part of N. America.

[50] ? Flora Europaea Cambridge University Press 1964
An immense work in 6 volumes (including the index). The standard reference flora for europe, it is very terse though and with very little extra information. Not for the casual reader.

[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.

[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.

[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.

[162] Grounds. R. Ornamental Grasses. Christopher Helm 1989 ISBN 0-7470-1219-9
Cultivation details of many of the grasses and bamboos. Well illustrated.

[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.

[236] Hitchcock. A. S. Manual of the Grasses of the United States Dover Publications. New York. 1971 ISBN 0-486-22717-0
A nice and comprehensive flora, though a bit dated. Good line drawings of each plant, plus a brief idea of the habitat and a few notes on plant uses. 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.
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