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Useful Temperate Plants

Lactuca ludoviciana

(Nutt.)Riddell.

Asteraceae


The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.

+ Synonyms

Common Name: Western Wild Lettuce

No Image.

General Information

Lactuca ludoviciana is a Biennial up to 1.20 metres tall.
It has edible and medicinal uses.

Known Hazards

Although no specific mention of toxicity has been seen for this species, many plants in this genus contain a narcotic principle, this is at its most concentrated when the plant begins to flower. This principle has been almost bred out of the cultivated forms of lettuce but is produced when the plant starts to go to seed[
13
Title
Hamlyn Encyclopaedia of Plants.
Publication
 
Author
Triska. Dr.
Publisher
Hamlyn
Year
1975
ISBN
0-600-33545-3
Description
Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
].

Botanical References

43
Title
Gray's Manual of Botany.Eighth Edition
Publication
 
Author
Fernald. M. L.
Publisher
American Book Co.; New York
Year
1950
ISBN
0442222505
Description
A bit dated but a good and concise flora of the eastern part of N. America.
,
235
Title
An Illustrated Flora of the Northern United States and Canada
Publication
 
Author
Britton. N. L. Brown. A.
Publisher
Dover Publications. New York.
Year
1970
ISBN
0-486-22642-5
Description
Reprint of a 1913 Flora, but still a very useful book.
,
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.

Range

Western N. America - British Columbia to California, east to Manitoba, Kentucky and Louisiana.

Habitat

Prairies, low ground and roadsides[
43
Title
Gray's Manual of Botany.Eighth Edition
Publication
 
Author
Fernald. M. L.
Publisher
American Book Co.; New York
Year
1950
ISBN
0442222505
Description
A bit dated but a good and concise flora of the eastern part of N. America.
]. Usually found in calcareous soils[
274
Title
Illustrated Flora of North Central Texas
Publication
 
Author
Diggs, Jnr. G.M.; Lipscomb. B. L. & O'Kennon. R. J
Website
http://artemis.austincollege.edu/acad/bio/gdiggs/NCTXpdf.htm
Publisher
Botanical Research Institute, Texas.
Year
1999
ISBN
1-889878-01-4
Description
An excellent flora, which is also available on-line.
]. Openings in woods, stream banks, prairies at elevations of 100 - 1400 metres[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].

Properties

Edibility Rating *  *
Medicinal Rating *  *
HabitBiennial
Height1.20 m
PollinatorsInsects
Cultivation StatusWild

Cultivation Details

We have very little information on this species and do not know how hardy it will be in Britain, though judging by its native range, it should succeed outdoors in most parts of this country.
Prefers a light sandy loam[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
].
Hybridizes in the wild with L. canadensis and the two species can sometimes be difficult to separate[
274
Title
Illustrated Flora of North Central Texas
Publication
 
Author
Diggs, Jnr. G.M.; Lipscomb. B. L. & O'Kennon. R. J
Website
http://artemis.austincollege.edu/acad/bio/gdiggs/NCTXpdf.htm
Publisher
Botanical Research Institute, Texas.
Year
1999
ISBN
1-889878-01-4
Description
An excellent flora, which is also available on-line.
].

Edible Uses

Young leaves - raw or cooked[
85
Title
Edible Native Plants of the Rocky Mountains.
Publication
 
Author
Harrington. H. D.
Publisher
University of New Mexico Press
Year
1967
ISBN
0-8623-0343-9
Description
A superb book. Very readable, it gives the results of the authors experiments with native edible plants.
,
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.
].

Medicinal

Although we have seen no specific reports for this species, most if not all members of the genus have a milky sap that contains the substance 'lactucarium' and can probably be used as the report below details[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

The whole plant is rich in a milky sap that flows freely from any wounds. This hardens and dries when in contact with the air[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
]. The sap contains 'lactucarium', which is used in medicine for its anodyne, antispasmodic, digestive, diuretic, hypnotic, narcotic and sedative properties[
9
Title
Edible and Medicinal Plants.
Publication
 
Author
Launert. E.
Publisher
Hamlyn
Year
1981
ISBN
0-600-37216-2
Description
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
,
21
Title
The Herb Book.
Publication
 
Author
Lust. J.
Publisher
Bantam books
Year
1983
ISBN
0-553-23827-2
Description
Lots of information tightly crammed into a fairly small book.
,
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
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.
,
165
Title
The Dictionary of Modern Herbalism.
Publication
 
Author
Mills. S. Y.
Publisher
 
Year
 
ISBN
 
Description
An excellent small herbal.
,
192
Title
Narcotic Plants
Publication
 
Author
Emboden. W.
Publisher
Studio Vista
Year
1979
ISBN
0-289-70864-8
Description
A lot of details about the history, chemistry and use of narcotic plants, including hallucinogens, stimulants, inebriants and hypnotics.
,
213
Title
Earth Medicine, Earth Food.
Publication
 
Author
Weiner. M. A.
Publisher
Ballantine Books
Year
1980
ISBN
0-449-90589-6
Description
A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
,
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
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.
]. Lactucarium has the effects of a feeble opium, but without its tendency to cause digestive upsets[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
], nor is it addictive[
7
Title
Encyclopaedia of Medicinal Plants.
Publication
 
Author
Chiej. R.
Publisher
MacDonald
Year
1984
ISBN
0-356-10541-5
Description
Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
]. It is taken internally in the treatment of insomnia, anxiety, neuroses, hyperactivity in children, dry coughs, whooping cough, rheumatic pain etc[
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
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.
]. Concentrations of lactucarium are low in young plants and most concentrated when the plant comes into flower[
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
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.
]. It is collected commercially by cutting the heads of the plants and scraping the juice into china vessels several times a day until the plant is exhausted[
4
Title
A Modern Herbal.
Publication
 
Author
Grieve.
Publisher
Penguin
Year
1984
ISBN
0-14-046-440-9
Description
Not so modern (1930's?) but lots of information, mainly temperate plants.
]. An infusion of the fresh or dried flowering plant can also be used[
9
Title
Edible and Medicinal Plants.
Publication
 
Author
Launert. E.
Publisher
Hamlyn
Year
1981
ISBN
0-600-37216-2
Description
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
].
The plant should be used with caution, and never without the supervision of a skilled practitioner. Even normal doses can cause drowsiness whilst excess causes restlessness[
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
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.
] and overdoses can cause death through cardiac paralysis[
7
Title
Encyclopaedia of Medicinal Plants.
Publication
 
Author
Chiej. R.
Publisher
MacDonald
Year
1984
ISBN
0-356-10541-5
Description
Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
,
9
Title
Edible and Medicinal Plants.
Publication
 
Author
Launert. E.
Publisher
Hamlyn
Year
1981
ISBN
0-600-37216-2
Description
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
].
Some physicians believe that any effects of this medicine are caused by the mind of the patient rather than by the medicine[
213
Title
Earth Medicine, Earth Food.
Publication
 
Author
Weiner. M. A.
Publisher
Ballantine Books
Year
1980
ISBN
0-449-90589-6
Description
A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
].
The sap has also been applied externally in the treatment of warts[
222
Title
A Field Guide to Medicinal Plants. Eastern and Central N. America.
Publication
 
Author
Foster. S. & Duke. J. A.
Publisher
Houghton Mifflin Co.
Year
1990
ISBN
0395467225
Description
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.
].

Other Uses

None known

Propagation

Seed - sow spring in situ and only just cover the seed. Germination is usually fairly quick.

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