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Useful Tropical Plants

Scaevola taccada

(Gaertn.) Roxb.

Goodeniaceae

+ Synonyms

Lobelia frutescens Mill.

Lobelia taccada Gaertn.

Scaevola billardieri Dieter.

Scaevola chlorantha de Vriese

Scaevola frutescens K.Krause

Scaevola koenigii Vahl

Scaevola lambertiana de Vriese

Scaevola latevaga Hance ex Walp

Scaevola leschenaultii A. DC.

Scaevola lobelia sericea (Vahl) Benth.

Scaevola macrocalyx de Vriese

Scaevola piliplena Miq.

Scaevola plumerioides Nutt.

Scaevola sericea Vahl

Common Name: Beach Naupaka

Scaevola taccada
Growing plant
Photograph by: Leonora Enking
Creative Commons License
Scaevola taccada Scaevola taccada Scaevola taccada Scaevola taccada Scaevola taccada Scaevola taccada Scaevola taccada Scaevola taccada

General Information

Beach naupaka is an erect, spreading, evergreen shrub or small tree with somewhat succulent, soft-wooded, pithy stems. It usually grows up to 4 metres tall, with occasional specimens to 7 metres.
The plant is a widely used traditional medicine, also providing food and materials for local use. It is commonly gathered from the wild, often protected when land is cleared and sometimes also cultivated, especially as a hedge plant. It is grown in erosion control schemes in Florida[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
].

Known Hazards

None known

Botanical References

266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.

Range

Eastern Africa, through southern Asia to Papua New Guinea, Australia and the Pacific Islands.

Habitat

Usually confined to the seashore, restricted to sandy beaches or rock and coral outcrops[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. It is occasionally found inland on Pacific atolls in sunny disturbed habitats and on rock faces[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

Properties

Weed PotentialYes
Edibility Rating *  *
Medicinal Rating *  *  *
Other Uses Rating *  *  *
HabitEvergreen Shrub
Height4.00 m
Growth RateMedium
PollinatorsBes, wasps
Cultivation StatusCultivated, Semi-cultivated, Wild

Cultivation Details


Prefers a position in full sun, but tolerates some shade[
309
Title
Institute of Food and Agricultural Sciences, University of Florida
Publication
 
Author
 
Website
http://hort.ifas.ufl.edu/shrubs/
Publisher
University of Florida
Year
0
ISBN
 
Description
PDF fact sheets on over 500 shrubs.
].. Grows best in a sandy soil. Plants are very salt and wind tolerant[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. Established plants are very drought tolerant[
309
Title
Institute of Food and Agricultural Sciences, University of Florida
Publication
 
Author
 
Website
http://hort.ifas.ufl.edu/shrubs/
Publisher
University of Florida
Year
0
ISBN
 
Description
PDF fact sheets on over 500 shrubs.
].
The fruits are dispersed by frugivorous birds and sea-currents. They are buoyant because of a corky outer layer and can float in sea water for at least 250 days with no significant loss in viability[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. The plant has escaped from cultivation and become naturalized in Florida[
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
].
The plant flowers and fruits throughout the year[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
Plants are very tolerant of trimming and can be shaped into hedges[
309
Title
Institute of Food and Agricultural Sciences, University of Florida
Publication
 
Author
 
Website
http://hort.ifas.ufl.edu/shrubs/
Publisher
University of Florida
Year
0
ISBN
 
Description
PDF fact sheets on over 500 shrubs.
].

Edible Uses

Fruit[
417
Title
Hawaiian Ethnobotany Online Database
Publication
 
Author
 
Website
http://www2.bishopmuseum.org/ethnobotanydb/index.asp
Publisher
 
Year
0
ISBN
 
Description
Brief details on over 100 species of Hawaiian plants.
]. Eaten occasionally[
417
Title
Hawaiian Ethnobotany Online Database
Publication
 
Author
 
Website
http://www2.bishopmuseum.org/ethnobotanydb/index.asp
Publisher
 
Year
0
ISBN
 
Description
Brief details on over 100 species of Hawaiian plants.
]. The white fruit is a fleshy drupe, 10 - 15mm in diameter[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

Young leaves - cooked as a potherb[
459
Title
The Useful Plants of the Island of Guam
Publication
Contributions from the United States National Herbarium Vol 9
Author
Safford W.E.
Website
http://www.biodiversitylibrary.org/
Publisher
Smithsonian Institute; Washington.
Year
1905
ISBN
 
Description
A very comprehensive, if rather dated, guide to the plants of Guam. It can be downloaded from the Internet.
].

Medicinal

The plant is quite widely used in traditional medicine throughout its native range, particularly for the treatment of skin conditions. There has been little research into the plant but it has been shown that the leaves contain saponins and coumarins[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. In the literature, there is also the occasional mention of the presence of an alkaloid 'scaevolin'[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
An acetonitrile extract of the leaves has shown selective antiviral activity against herpes simplex virus 1 and 2 and vesicular stomatitis virus[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

Diluted sap from the leaves or sap from the ripe berries is used in folk medicine to clear opacity of the eye and in the treatment of eye infections[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. The sap may also be directly applied to sores[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. The juice squeezed from young stems and ripe fruits is applied directly to bites and stings[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

The bitter leaves are eaten as a cure for indigestion[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. The young leaves are chewed to soothe a cough[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
481
Title
Medicinal Plants in Papua New Guinea
Publication
 
Author
 
Publisher
World Health Organisation
Year
2009
ISBN
978-92-9061-249-0
Description
Traditional medicinal uses of 126 species from Papua New Guinea, including information on any modern research into the plants.
]. An infusion, or else the juice from the heated leaves, is mixed with water to treat coughs, pneumonia and tuberculosis[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
481
Title
Medicinal Plants in Papua New Guinea
Publication
 
Author
 
Publisher
World Health Organisation
Year
2009
ISBN
978-92-9061-249-0
Description
Traditional medicinal uses of 126 species from Papua New Guinea, including information on any modern research into the plants.
]. An extract from the leaves is used as a form of long-term contraception by women, said to be effective for up to 7 years[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
481
Title
Medicinal Plants in Papua New Guinea
Publication
 
Author
 
Publisher
World Health Organisation
Year
2009
ISBN
978-92-9061-249-0
Description
Traditional medicinal uses of 126 species from Papua New Guinea, including information on any modern research into the plants.
].
The leaves are used as a poultice for headache[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. The leaves are traditionally used for treating skin ailments, swellings, elephantiasis, scrotal swellings, oedema, chill and indigestion[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]

The root is applied as an antidote after eating poisonous fish or crab[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. A decoction is used in the treatment of beriberi and in certain syphilitic affections, also in dysentery[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. The roots are considered a good therapy for cancer[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
The root is used externally to treat skin affections[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

The bark is applied for abscesses, menstrual complaints and bone fractures[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
For pains and sores, the taproot bark is combined with salt and applied to affected areas[
417
Title
Hawaiian Ethnobotany Online Database
Publication
 
Author
 
Website
http://www2.bishopmuseum.org/ethnobotanydb/index.asp
Publisher
 
Year
0
ISBN
 
Description
Brief details on over 100 species of Hawaiian plants.
].

The stem is used for treating abdominal complaints[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

Agroforestry Uses:

The plant is used for soil stabilization, especially of sand dunes[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
]. It makes a good, dense hedge and so is of value to provide protection from the wind and salt spray in coastal zones[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
,
417
Title
Hawaiian Ethnobotany Online Database
Publication
 
Author
 
Website
http://www2.bishopmuseum.org/ethnobotanydb/index.asp
Publisher
 
Year
0
ISBN
 
Description
Brief details on over 100 species of Hawaiian plants.
].
Large branches can usually be used as cuttings to create an instant hedge[
417
Title
Hawaiian Ethnobotany Online Database
Publication
 
Author
 
Website
http://www2.bishopmuseum.org/ethnobotanydb/index.asp
Publisher
 
Year
0
ISBN
 
Description
Brief details on over 100 species of Hawaiian plants.
].
This species is one of the first colonizers of the strip-mined areas in Nauru[
339
Title
Agroforestry in the Pacific Islands: Systems for Sustainability
Publication
 
Author
W.C. Clarke and R.R. Thaman (Editors)
Website
http://www.unu.edu/unupress/unupbooks/80824e/80824E00.htm#Contents
Publisher
United Nations University Press, Tokyo
Year
1993
ISBN
92-808-0824-9
Description
The guide includes information on 100 species of plants for Agroforestry. It is also available on the web at the address given above.
].

Other Uses

The soft, snow-white pith, 25mm or more in diameter, is sometimes cut into thin paper-like flakes and then made into artificial flowers, butterflies, and other objects[
459
Title
The Useful Plants of the Island of Guam
Publication
Contributions from the United States National Herbarium Vol 9
Author
Safford W.E.
Website
http://www.biodiversitylibrary.org/
Publisher
Smithsonian Institute; Washington.
Year
1905
ISBN
 
Description
A very comprehensive, if rather dated, guide to the plants of Guam. It can be downloaded from the Internet.
].

The leaves are boiled with grass skirts to dye them brown and make them durable[
339
Title
Agroforestry in the Pacific Islands: Systems for Sustainability
Publication
 
Author
W.C. Clarke and R.R. Thaman (Editors)
Website
http://www.unu.edu/unupress/unupbooks/80824e/80824E00.htm#Contents
Publisher
United Nations University Press, Tokyo
Year
1993
ISBN
92-808-0824-9
Description
The guide includes information on 100 species of plants for Agroforestry. It is also available on the web at the address given above.
].

The hollow branches are used as popguns or blowguns in games[
339
Title
Agroforestry in the Pacific Islands: Systems for Sustainability
Publication
 
Author
W.C. Clarke and R.R. Thaman (Editors)
Website
http://www.unu.edu/unupress/unupbooks/80824e/80824E00.htm#Contents
Publisher
United Nations University Press, Tokyo
Year
1993
ISBN
92-808-0824-9
Description
The guide includes information on 100 species of plants for Agroforestry. It is also available on the web at the address given above.
].

The wood from the base of the mature stems is used as nails in traditional boat building[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].
The wood is coarse, fibrous and useless[
459
Title
The Useful Plants of the Island of Guam
Publication
Contributions from the United States National Herbarium Vol 9
Author
Safford W.E.
Website
http://www.biodiversitylibrary.org/
Publisher
Smithsonian Institute; Washington.
Year
1905
ISBN
 
Description
A very comprehensive, if rather dated, guide to the plants of Guam. It can be downloaded from the Internet.
]. It is used locally for for roofing strips, rafters, supports, and house decking, rafts, canoe paddles and poles, scoop-net handles, eel traps, reef markers, net gauges, shark rattles, throwing sticks, and toy darts[
339
Title
Agroforestry in the Pacific Islands: Systems for Sustainability
Publication
 
Author
W.C. Clarke and R.R. Thaman (Editors)
Website
http://www.unu.edu/unupress/unupbooks/80824e/80824E00.htm#Contents
Publisher
United Nations University Press, Tokyo
Year
1993
ISBN
92-808-0824-9
Description
The guide includes information on 100 species of plants for Agroforestry. It is also available on the web at the address given above.
].

Propagation

Seed - preferably pre-soaked in cool water for 24 hours and then covered lightly by soil in a well-drained potting mix[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. Germination may take 3 - 9 months[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. Seeds that have been soaked in saltwater are said to germinate better, reducing germination time by 1 - 2 weeks[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
417
Title
Hawaiian Ethnobotany Online Database
Publication
 
Author
 
Website
http://www2.bishopmuseum.org/ethnobotanydb/index.asp
Publisher
 
Year
0
ISBN
 
Description
Brief details on over 100 species of Hawaiian plants.
].
Cuttings can be up to 50 cm long, with the lower leaves removed, and the upper ones cut in half[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. Planting should be in a light well-drained potting mix or a sandy soil, with watering once a day. Rooting should be achieved in 2 - 3 months[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]
Large branches can also be used as cuttings as long as they are kept moist until rooted[
417
Title
Hawaiian Ethnobotany Online Database
Publication
 
Author
 
Website
http://www2.bishopmuseum.org/ethnobotanydb/index.asp
Publisher
 
Year
0
ISBN
 
Description
Brief details on over 100 species of Hawaiian plants.
].
Air layering[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
].

Comments

Ali Anwar 11th March 2016 22:53
Beach naupaka, it is found every island of Maldives. We call it Magoo and also Gera.

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