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Useful Temperate Plants

Trifolium obtusiflorum

Hook.f.

Fabaceae

+ Synonyms

Trifolium majus Greene

Trifolium roscidum Greene

Trifolium tridentatum obtusiflorum (Hook.f.) S.Watson

Common Name: Clammy Clover

No Image.

General Information

Trifolium obtusiflorum is a stout, erect, annual plant growing 30 - 100cm tall[
1151
Title
Contributions from the United States National Herbarium Vol. 7
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org/
Publisher
Government Printing Office; Washington
Year
1900
ISBN
 
Description
A botanical journal. Rather dated, but it includes an ethnobotanical report from California and an early monograph of N. American Apiaceae. It can be downloaded from the Internet
].
The plant was a widely used traditional food for native N. Americans, and it is still commonly harvested as a wild food.

Known Hazards

Eating this plant can cause bloat, especially if larger quantities are consumed[
1151
Title
Contributions from the United States National Herbarium Vol. 7
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org/
Publisher
Government Printing Office; Washington
Year
1900
ISBN
 
Description
A botanical journal. Rather dated, but it includes an ethnobotanical report from California and an early monograph of N. American Apiaceae. It can be downloaded from the Internet
].

Botanical References

71
Title
A California Flora.
Publication
 
Author
Munz P.A. & Keck D.D.
Publisher
University of California Press; Los Angeles
Year
1959
ISBN
-
Description
An excellent flora but no pictures. Not for the casual reader.

Range

South-western N. America - Oregon, California

Habitat

Moist places; at elevations below 1,500 metres[
71
Title
A California Flora.
Publication
 
Author
Munz P.A. & Keck D.D.
Publisher
University of California Press; Los Angeles
Year
1959
ISBN
-
Description
An excellent flora but no pictures. Not for the casual reader.
]. Well-drained soil, near stream banks in the open country[
1151
Title
Contributions from the United States National Herbarium Vol. 7
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org/
Publisher
Government Printing Office; Washington
Year
1900
ISBN
 
Description
A botanical journal. Rather dated, but it includes an ethnobotanical report from California and an early monograph of N. American Apiaceae. It can be downloaded from the Internet
].

Properties

Edibility Rating *  *  *
HabitAnnual
Height0.50 m
PollinatorsInsects
Self-fertileNo
Cultivation StatusWild

Cultivation Details


Succeeds in a moist, well-drained circum-neutral soil in full sun[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Succeeds in poor soils.
It grows well in an apple orchard, the trees will produce tastier fruit that stores better[
201
Title
A - Z of Companion Planting.
Publication
 
Author
Allardice.P.
Publisher
Cassell Publishers Ltd.
Year
1993
ISBN
0-304-34324-2
Description
A well produced and very readable book.
]. It should not be grown with camellias or gooseberries because it harbours a mite that can cause fruit drop in the gooseberries and premature budding in the camellias[
201
Title
A - Z of Companion Planting.
Publication
 
Author
Allardice.P.
Publisher
Cassell Publishers Ltd.
Year
1993
ISBN
0-304-34324-2
Description
A well produced and very readable book.
].
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
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Buttercups growing nearby depress the growth of the nitrogen bacteria by means of a root exudate[
201
Title
A - Z of Companion Planting.
Publication
 
Author
Allardice.P.
Publisher
Cassell Publishers Ltd.
Year
1993
ISBN
0-304-34324-2
Description
A well produced and very readable book.
]. When removing plant remains at the end of the growing season, it is best to only remove the aerial parts of the plant, leaving the roots in the ground to decay and release their nitrogen.

Edible Uses

Leaves - raw or cooked[
99
Title
Plants in British Columbian Indian Technology.
Publication
 
Author
Turner. N. J.
Publisher
British Columbia Provincial Museum
Year
1979
ISBN
0-7718-8117-7
Description
Excellent and readable guide.
,
105
Title
Tanaka's Cyclopedia of Edible Plants of the World.
Publication
 
Author
Tanaka. T. & Nakao S.
Publisher
Keigaku Publishing; Tokyo
Year
1976
ISBN
-
Description
The most comprehensive list of 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
Title
Food Plants of the N. American Indians. Publication no. 237.
Publication
 
Author
Yanovsky. E.
Publisher
U.S. Depf of Agriculture.
Year
 
ISBN
-
Description
A comprehensive but very terse guide. Not for the casual reader.
,
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
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.
]. The plant produces a peculiar sticky exudation which covers the flower heads and growing stems like dew. This exudation has a strong acid taste and on this account the clover is variously known as "sour" or "salt" clover. Notwithstanding the sharp acid taste, this species is considered to be one of the very best clovers for green food. It is sometimes eaten just as it is, but the leaves are generally eaten only after the acid exudation has been washed away[
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
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.
,
1151
Title
Contributions from the United States National Herbarium Vol. 7
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org/
Publisher
Government Printing Office; Washington
Year
1900
ISBN
 
Description
A botanical journal. Rather dated, but it includes an ethnobotanical report from California and an early monograph of N. American Apiaceae. It can be downloaded from the Internet
]. Dipping in salt water gives considerable relish to the plant[
1151
Title
Contributions from the United States National Herbarium Vol. 7
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org/
Publisher
Government Printing Office; Washington
Year
1900
ISBN
 
Description
A botanical journal. Rather dated, but it includes an ethnobotanical report from California and an early monograph of N. American Apiaceae. It can be downloaded from the Internet
].
The plant is generally eaten before it comes into flower. Eating larger quantities can cause bloat - traditionally, the leaves were eaten with other foods that aid in digestion and therefore prevent bloating[
1151
Title
Contributions from the United States National Herbarium Vol. 7
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org/
Publisher
Government Printing Office; Washington
Year
1900
ISBN
 
Description
A botanical journal. Rather dated, but it includes an ethnobotanical report from California and an early monograph of N. American Apiaceae. It can be downloaded from the Internet
].

Seed - raw or cooked[
105
Title
Tanaka's Cyclopedia of Edible Plants of the World.
Publication
 
Author
Tanaka. T. & Nakao S.
Publisher
Keigaku Publishing; Tokyo
Year
1976
ISBN
-
Description
The most comprehensive list of 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.
]. The seed can be sprouted and added to salads or it can be dried, ground into a powder and used as a thickener in soups etc or mixed with cereals when making bread etc.

Medicinal

None known

Other Uses

None known

Propagation

Pre-soak the seed for 12 hours in warm water and then sow in spring in situ.
If the seed is in short supply it might be better to sow it in pots in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in late spring.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2024-07-14. <temperate.theferns.info/plant/Trifolium+obtusiflorum>

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