If you would like to support this site, please consider Donating.
Useful Temperate Plants

Lactuca biennis

(Moench) Fernald

Asteraceae

+ Synonyms

Agathyrsus floridanus D.Don

Cicerbita spicata Beauverd

Lactuca spicata Hitchc.

Mulgedium spicatum Small

Sonchus biennis Moench

Sonchus spicatus Lam.

Common Name: Tall Blue Lettuce

No Image.

General Information

Lactuca biennis is an erect, annual to biennial plant growing from a taproot. It produces a basal rosette of leaves and a single, branched stem that grows from 15 - 300cm or more tall but usually between 75 - 200cm[
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.
].
The plant is harvested from the wild for local use as a medicine..

Known Hazards

Poisonous[
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.
].

Botanical References

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

Eastern N. America - southern Alaska and Yukon to Newfoundland and Labrador, south to California, New Mexico, Tennessee and North Carolina

Habitat

Swamps, stream banks, woods; at elevations from 900 - 1,500 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

Medicinal Rating *  *
HabitAnnual/Biennial
Height1.00 m
Cultivation StatusWild

Cultivation Details

Not known

Edible Uses

None known

Medicinal

The root is analgesic, antiemetic and haemostatic[
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.
]. A decoction has been used in the treatment of body pain, but not pain in the limbs[
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 decoction has also been used in the treatment of haemorrhages, heart and lung troubles, diarrhoea, nausea and vomiting[
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
0-395-46722-5
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.
,
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 milky sap is applied topically to skin eruptions[
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
0-395-46722-5
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.
].

The leaves are diuretic, sedative and nervine[
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
0-395-46722-5
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.
].
Applied topically, the leaves are used to relieve stings[
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
0-395-46722-5
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.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2022-08-11. <temperate.theferns.info/plant/Lactuca+biennis>

Add a Comment:

If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.