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Useful Tropical Plants

Colocasia esculenta antiquorum

Schott

Araceae

+ Synonyms

Colocasia antiquorum Schott

Common Name: Eddoe

Colocasia esculenta antiquorum
Eddoes are generally smaller that taro
Photograph by: Pearl Pirie
Creative Commons License
Colocasia esculenta antiquorum Colocasia esculenta antiquorum

General Information

Eddoe is an evergreen, perennial plant producing a cluster of leaves with long, erect petioles, growing from 40 - 200cm tall from a tuberous rootstock[
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.
,
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 plant is often cultivated in humid, lowland tropical regions, where it is a staple carbohydrate crop in many areas[
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.
,
298
Title
Edible Leaves of the Tropics
Publication
 
Author
Martin. F. W.; Ruberte. R. M. & Meitzner. L. S.
Publisher
Echo. USA.
Year
1998
ISBN
0-9653360-1-8
Description
A terse guide, giving reasonable detail on the more common leaf crops and brief information on a wide range of lesser known plants.
]. Closely related to Taro (Calocasia esculenta), but with smaller corms, it is easier to grow because it is hardier than taro; can grow on lighter, poorer soils; and succeeds with less rainfall and lower temperatures[
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.
].

Known Hazards

All parts of the plant contain calcium oxalate crystals. This substance is toxic fresh and, if eaten, makes the mouth, tongue and throat feel as if hundreds of small needles are digging in to them. However, calcium oxalate is easily broken down either by thoroughly cooking the plant or by fully drying it and, in either of these states, it is safe to eat the plant. People with a tendency to rheumatism, arthritis, gout, kidney stones and hyperacidity should take especial caution if including this plant in their diet[
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.
].

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.

Range

Widely cultivated in the tropics, its original range is uncertain but is probably southern to central Asia.

Habitat

Not known in a truly wild situation, though it is often established in low lying areas along streams and river banks[
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.
].

Properties

Edibility Rating *  *  *
Medicinal Rating *  *
HabitPerennial
Height1.00 m
Cultivation StatusCultivated

Cultivation Details

A plant of the moist to humid tropics and subtropics, where it is found at elevations up to 2,100 metres. It grows best in areas where annual daytime temperatures are within the range 19 - 25°c, but can tolerate 5 - 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.
]. It prefers a mean annual rainfall in the range 1,500 - 2,000mm, but tolerates 700 - 3,000mm[
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 fairly heavy, fertile and moisture-retentive soil that is rich in organic matter[
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.
]. Plants require a very rich soil[
298
Title
Edible Leaves of the Tropics
Publication
 
Author
Martin. F. W.; Ruberte. R. M. & Meitzner. L. S.
Publisher
Echo. USA.
Year
1998
ISBN
0-9653360-1-8
Description
A terse guide, giving reasonable detail on the more common leaf crops and brief information on a wide range of lesser known plants.
]. Needs a moist soil in order to grow well - some varieties will even grow in shallow water[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. Another report says that the plant requires a well-drained soil[
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 5.5 - 6.5, tolerating 4.5 - 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.
].
The corms take about 7 months to reach maturity[
300
Title
Vegetables in the Tropics
Publication
 
Author
Tindall. H. D.
Publisher
MacMillan, Oxford.
Year
1983
ISBN
0-333-24268-8
Description
An excellent, in-depth look at the main vegetable crops that can be grown in the Tropics, plus many less well-known plants.
], though the leaves and stems can be harvested throughout the growing period[
298
Title
Edible Leaves of the Tropics
Publication
 
Author
Martin. F. W.; Ruberte. R. M. & Meitzner. L. S.
Publisher
Echo. USA.
Year
1998
ISBN
0-9653360-1-8
Description
A terse guide, giving reasonable detail on the more common leaf crops and brief information on a wide range of lesser known plants.
].
Like many species in the family Araceae, this plant has the ability to heat the flowering spadix as the pollen becomes ready for fertilization. This heat greatly increases the strength of the aroma released by the plant, thus attracting more pollinating insects. It can also have the effect of making the insects more active, thus increasing the level of fertilization[
472
Title
Aroids: Plants of the Arum Family.
Publication
 
Author
Bown D.
Publisher
Timber Press; Portland, Oregon.
Year
2000
ISBN
0-88192-485-7
Description
An excellent treatment of the family Araceae, giving lots of information about the plants, how to grow them, their uses etc. I found it a bit disordered - if you want all the information on a specific species you have to trawl through the whole book.
].

Edible Uses

Edible corms - cooked[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. They can be boiled, baked, fried etc in much the same way as potatoes[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. They can be used in savoury dishes such as soups and curries, or in sweet dishes with coconut milk, sugar etc[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. Make sure the corm is cooked before eating it, see notes above on toxicity[
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 corm is a good source of starch. The starch grains are very small making them easily digestible and they are used to make baby food that is said to be non-allergenic[298.

Young leaves - cooked[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. Some varieties of taro are grown for their leaves, which are very nutritious[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. They are either used to wrap other food that is baked, or are used as spinach[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. The leaves must be cooked before eating in order to destroy the calcium oxalate crystals[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
].

Stems - cooked[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
]. Peeled, cut into pieces and boiled in stews, they taste and look a little like celery[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
].

Medicinal

The plant is antibacterial and hypotensive[
311
Title
Medicinal Plants in the South Pacific
Publication
 
Author
 
Publisher
WHO Regional Publications, Manilla.
Year
1998
ISBN
92-9061-118-9
Description
Excellent guide to 102 medicinal herbs of the Pacific Islands, with photographs of each plant and details of their constituents, biological activities and traditional uses. A description of each plant, together with habitat and distribution is given.
].

A decoction of the leaves is drunk to promote menstruation[
311
Title
Medicinal Plants in the South Pacific
Publication
 
Author
 
Publisher
WHO Regional Publications, Manilla.
Year
1998
ISBN
92-9061-118-9
Description
Excellent guide to 102 medicinal herbs of the Pacific Islands, with photographs of each plant and details of their constituents, biological activities and traditional uses. A description of each plant, together with habitat and distribution is given.
]. A decoction, together with some parts of other plants, is taken to relieve stomach problems and to treat cysts[
311
Title
Medicinal Plants in the South Pacific
Publication
 
Author
 
Publisher
WHO Regional Publications, Manilla.
Year
1998
ISBN
92-9061-118-9
Description
Excellent guide to 102 medicinal herbs of the Pacific Islands, with photographs of each plant and details of their constituents, biological activities and traditional uses. A description of each plant, together with habitat and distribution is given.
].
In New Guinea, the leaves are heated over a fire and are applied as a poultice to boils[
311
Title
Medicinal Plants in the South Pacific
Publication
 
Author
 
Publisher
WHO Regional Publications, Manilla.
Year
1998
ISBN
92-9061-118-9
Description
Excellent guide to 102 medicinal herbs of the Pacific Islands, with photographs of each plant and details of their constituents, biological activities and traditional uses. A description of each plant, together with habitat and distribution is given.
]

The sap of the leaf stalk is used in treating conjunctivitis[
311
Title
Medicinal Plants in the South Pacific
Publication
 
Author
 
Publisher
WHO Regional Publications, Manilla.
Year
1998
ISBN
92-9061-118-9
Description
Excellent guide to 102 medicinal herbs of the Pacific Islands, with photographs of each plant and details of their constituents, biological activities and traditional uses. A description of each plant, together with habitat and distribution is given.
].

The scraped stem, together with some parts of other plants, is used to create an appetite[
311
Title
Medicinal Plants in the South Pacific
Publication
 
Author
 
Publisher
WHO Regional Publications, Manilla.
Year
1998
ISBN
92-9061-118-9
Description
Excellent guide to 102 medicinal herbs of the Pacific Islands, with photographs of each plant and details of their constituents, biological activities and traditional uses. A description of each plant, together with habitat and distribution is given.
].

The plant is used to treat wounds[
311
Title
Medicinal Plants in the South Pacific
Publication
 
Author
 
Publisher
WHO Regional Publications, Manilla.
Year
1998
ISBN
92-9061-118-9
Description
Excellent guide to 102 medicinal herbs of the Pacific Islands, with photographs of each plant and details of their constituents, biological activities and traditional uses. A description of each plant, together with habitat and distribution is given.
].

Other Uses

None known

Propagation

Seed - this is a cultivated species and so seed is unlikely to breed true. Plants rarely produce fertile seed[
300
Title
Vegetables in the Tropics
Publication
 
Author
Tindall. H. D.
Publisher
MacMillan, Oxford.
Year
1983
ISBN
0-333-24268-8
Description
An excellent, in-depth look at the main vegetable crops that can be grown in the Tropics, plus many less well-known plants.
].
Division of suckers[
296
Title
Tropical Food Gardens
Publication
 
Author
Norrington. L.
Publisher
Bloomings Books (Melbourne)
Year
2001
ISBN
1-876473-41-x
Description
Excellent little book giving some basic information on a range of plants.
].
Corms.

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