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Useful Tropical Plants

Pontederia cordata

L.

Pontederiaceae

+ Synonyms

Narukila cordata (L.) Nieuwl.

Pontederia angustifolia Pursh

Pontederia lanceolata Nutt.

Pontederia lancifolia Muhl.

Pontederia maculata Donn

Pontederia mucronata Raf. ex Torr.

Pontederia nymphaeifolia Kunth

Pontederia obtusifolia (Raf.) A.DC.

Pontederia ovalis Mart. ex Schult. & Schult.f.

Pontederia rotundifolia nymphaeifolia (Kunth) Solms

Sagittaria cerulea Raf.

Umsema mucronata Raf.

Umsema obtusifolia Raf.

Unisema acutifolia Raf.

Unisema cordata (L.) Farw.

Unisema deltifolia Raf.

Unisema heterophylla Raf.

Unisema lancifolia Raf.

Unisema latifolia Raf.

Unisema media Raf.

Unisema mucronata Raf.

Unisema obliquata Raf.

Unisema obtusifolia (Raf.) Raf.

Unisema peduncularis Raf.

Unisema purshiana Raf.

Unisema rotundifolia Raf.

Common Name: Pickerel Weed

Pontederia cordata
Flowering plants
Photograph by: Lady-bug
Creative Commons License
Pontederia cordata Pontederia cordata Pontederia cordata

General Information

Pickerel weed is a perennial plant growing about 75cm tall and forming spreading patches by means of a thick creeping rhizome[
187
Title
Perennials. Volumes 1 and 2.
Publication
 
Author
Phillips. R. & Rix. M.
Publisher
Pan Books
Year
1991
ISBN
0-330-30936-9
Description
Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.
]. The plant often forms large colonies[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
].
The edible seeds and leaves are sometimes harvested from wild plants and consumed locally. A very ornamental plant, it is often grown in ponds and bog gardens.

Known Hazards

None known

Botanical References

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.
,
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

S. America - Argentina, Uruguay, Paraguay, Brazil, Bolivia, Colombia, Venezuela; C. America - Honduras, Belize; Caribbean - Cuba; N. America to E. Can

Habitat

Marshes and borders of muddy ponds[
55
Title
Eat the Weeds.
Publication
 
Author
Harris. B. C.
Publisher
Pivot Health
Year
1973
ISBN
-
Description
Interesting reading.
].

Properties

Edibility Rating *  *  *
Medicinal Rating *
HabitPerennial
Height0.75 m
PollinatorsBees
Cultivation StatusOrnamental, Wild

Cultivation Details

Pickerel weed has a very wide natural range from the cold temperate zone to the tropics. It can be grown in the tropics at elevations from sea level to 1,500 metres[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
]. It grows best in areas where annual daytime temperatures are within the range 14 - 24°c, but can tolerate 10 - 30°c[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
]. When dormant, the plant can survive temperatures down to about -25°c, but young growth can be severely damaged at 0°c[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
]. It prefers a mean annual rainfall in the range 800 - 1,200mm, but tolerates 500 - 1,500mm[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
].
Grows best in a sunny position[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
]. A water or bog garden plant, it requires a rich soil[
56
Title
Complete Guide to Water Plants.
Publication
 
Author
Muhlberg. H.
Publisher
E. P. Publishing Ltd.
Year
1982
ISBN
0-7158-0789-7
Description
Deals with a wide range of plants for temperate areas (and indoor aquaria) with quite a lot of information on cultivation techniques.
] and prefers growing in water 15 - 30 cm deep[
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]).
]. Tolerates a wide range of fertile soils[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
]. Prefers a pH in the range 6 - 7.5, tolerating 5.5 - 8[
418
Title
Ecocrop
Publication
 
Author
 
Website
http://ecocrop.fao.org/ecocrop/srv/en/home
Publisher
 
Year
0
ISBN
 
Description
Basic information on a wide range of useful plants, plus details of environmental needs where available.
].
There is a species of bee (Dufourea novae-angliae) which visits this plant for nectar and pollen and does not visit any other species of plant[
103
Title
Flowering Plants of the World.
Publication
 
Author
Haywood. V. H.
Publisher
Oxford University Press
Year
 
ISBN
0-19-217674-9
Description
Very readable and well illustrated, it lists plants by families giving the basic diagnostic features and some details of plant uses.
].
The reproductive biology of Pontederia cordata has been well studied. It is a tristylous species, and most populations contain all three forms. At least some degree of self-incompatibility exists, being strongest with the short-style forms and weakest with the midstyle forms[
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.
].

Edible Uses

Seed - raw, cooked like rice or dried and ground into a powder[
55
Title
Eat the Weeds.
Publication
 
Author
Harris. B. C.
Publisher
Pivot Health
Year
1973
ISBN
-
Description
Interesting reading.
,
62
Title
A Field Guide to N. American Edible Wild Plants.
Publication
 
Author
Elias. T. and Dykeman. P.
Publisher
Van Nostrand Reinhold
Year
1982
ISBN
0442222009
Description
Very readable.
,
106
Title
The Dictionary of Useful Plants.
Publication
 
Author
Coon. N.
Publisher
Rodale Press
Year
1975
ISBN
0-87857-090-x
Description
Interesting reading but short on detail.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
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.
]. A very acceptable nutty flavour and texture when raw, they are said to be excellent if the seed is lightly roasted in an oven[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
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.
].

Young leafstalks - raw or cooked[
62
Title
A Field Guide to N. American Edible Wild Plants.
Publication
 
Author
Elias. T. and Dykeman. P.
Publisher
Van Nostrand Reinhold
Year
1982
ISBN
0442222009
Description
Very readable.
].

The whole plant is edible cooked or raw[
106
Title
The Dictionary of Useful Plants.
Publication
 
Author
Coon. N.
Publisher
Rodale Press
Year
1975
ISBN
0-87857-090-x
Description
Interesting reading but short on detail.
]. The young leaves can be chopped up and added to salads, soups or stews, or they can be cooked on their own like spinach[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
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.
,
301
Title
Cornucopia II
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications, California.
Year
1998
ISBN
0-9628087-2-5
Description
The second edition of an excellent guide to the edible uses of plants, though it does not give any details of cultivation etc.
].

Medicinal

An infusion of the plant has been used as a contraceptive[
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.
].

Other Uses

None known

Propagation

Seed - best sown as soon as it is ripe in pots standing in 2cm of water. Cover the seed lightly with silver sand. Submerse in 3cm depth of water after the seedlings emerge[
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.
]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in water until large enough to plant out.
Division can be done at almost any time of the year[
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]).
]. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade until they are well established before planting them out.
Lateral shoots.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-08-19. <tropical.theferns.info/viewtropical.php?id=Pontederia+cordata>

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