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Useful Tropical Plants

Stevia rebaudiana

(Bertoni) Bertoni

Asteraceae

+ Synonyms

Eupatorium rebaudianum Bertoni

Common Name: Stevia

Stevia rebaudiana
Stevia rebaudiana Stevia rebaudiana Stevia rebaudiana Stevia rebaudiana

General Information

Stevia is a slender, erect, perennial plant growing around 1 metre tall. The plant has a vigorous rhizome and shallow root system[
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 tropical and subtropical areas for its sweet-flavoured edible leaves from which a sweetener can be extracted[
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 plant also has medicinal uses.

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.

Range

S. America - Brazil, Paraguay.

Habitat

The edges of marshes and grassland communities at elevations up to 700 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.
]. Infertile, sandy acid soils with shallow water tables.

Properties

Edibility Rating *  *  *  *
Medicinal Rating *  *
HabitPerennial
Height1.00 m
PollinatorsInsects
Cultivation StatusCultivated, Wild

Cultivation Details

A plant of the subtropics and tropics, where it can be cultivated at elevations from sea level up to 1,500 metres. It grows best in areas where annual daytime temperatures are within the range 18 - 30°c, but can tolerate 15 - 43°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 -6°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 1,000 - 1,400mm, but tolerates 500 - 1,800mm[
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 sandy soil, requiring a warm sunny position[
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.
]. Prefers a pH in the range 5 - 6.5, tolerating 4 - 7.5[
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 first harvest can take place 2 months after planting, which is about 6 months after sowing the seed[
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.
]. Further harvests can be taken at monthly intervals and can continue for about 5 years before the plants will need to be replaced[
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.
].
Flowering occurs 40 - 60 days after sowing or cutting. Long days, however, promote more leaf production resulting in a higher content of stevioside, on dry-matter basis[
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.
].
In Japan, the yield in the first year is 400 - 500 kilos per hectare of the dried leaves, while yields in the following years vary between 1.5 - 2 tonnes of dry leaves. In western Java a yearly production of 3 tonnes of dry leaves is possible[
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.
].

Edible Uses

Leaves - raw or cooked. A very sweet liquorice-like flavour[
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 leaves contain 'stevioside', a substance that is 300 times sweeter than sucrose[
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.
]. Other reports say that they contain 'estevin' a substance that, weight for weight, is 150 times sweeter than sugar[
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.
,
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.
,
61
Title
A Dictionary of Plants Used by Man.
Publication
 
Author
Usher. G.
Publisher
Constable
Year
1974
ISBN
0094579202
Description
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
,
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 dried leaves can be ground and used as a sweetener or soaked in water and the liquid used in making preserves[
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.
]. The powdered leaves are also added to herb teas[
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.
]. The leaves are sometimes chewed by those wishing to reduce their sugar intake[
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.
]. The leaves can also be cooked and eaten as a vegetable[
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.
,
177
Title
Plants for Human Consumption.
Publication
 
Author
Kunkel. G.
Publisher
Koeltz Scientific Books
Year
1984
ISBN
3874292169
Description
An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
].

Medicinal

The leaves are said to be used as a herbal remedy for diabetes[
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.
]. Stevia is not a remedy for diabetes, but can be used as a sugar-free sweetener, and is reported to have some effect upon regulating glucose levels[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
,
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 plant has also been used in the treatment of candidiasis, skin abrasions, dental caries, depression, hypertension, obesity, wound healing and as tonic and sweetener[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].

There have been various studies into the activities of stevia:-
Lupeol 3-palmitate, found in the leaf, has shown marked inhibition of inflammatory activity[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
The administration of a crude extract of Stevia dried leaves for 40 to 60 days induced systemic and renal vasodilation causing a lowering of blood pressure, increased urine flow and the increased excretion of sodium in the urine[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
Stevioside, the main sweetening agent in the leaves, has been shown to cause vasorelaxation through an inhibition of calcium influx into the blood vessels. A study using 250mg stevioside capsules three times daily found stevioside to be a safe and effective compound or supplementary therapy for hypertension[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
A study of the ethanolic and ethly acetate extracts of the leaves have indicated that they may be useful as a potential source of natural antioxidants[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
Stevioside has been shown to lower blood glucose. It dose-dependently decreases the protein levels of phosphoenol pyruvate carboxykinase, reducing insulin resistance. The study concludes that stevioside can regulate blood glucose by enhancing insulin secretion and insulin utilization where there is insulin-deficiency[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
The dried and powdered leaves have shown significant hypoglycaemic effects and body weight reducing effects[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
Four solvent extracts of the leaves have shown effective antibacterial potential. The acetone extract showed no toxicity to normal cells and showed both anti-proliferative and anticancer activities. The study confirms the antimicrobial and antitumor activities of the leaf extracts, suggesting a potential drug that warrants further studies and development[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
A study on the effects of aqueous extracts of the leaves on glucose tolerace in normal volunteers showed an increase in glucose tolerance, with a significant decrease of plasma glucose during the test and after overnight fasting in all volunteers[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].

Other Uses

None known

Propagation

Seed - sow spring in a warm greenhouse and only just cover the seed. Make sure the compost does not dry out. Prick out the seedlings into individual pots and grow them on fast, planting them out after the last expected frosts. It could be worthwhile giving them some protection such as a cloche or cold frame for a few weeks after planting them out until they are growing away well.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-06-27. <tropical.theferns.info/viewtropical.php?id=Stevia+rebaudiana>

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