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Useful Tropical Plants

Dioscorea pentaphylla

L.

Dioscoreaceae

+ Synonyms

Botryosicyos pentaphyllus (L.) Hochst.

Dioscorea changjiangensis F.W.Xing & Z.X.Li

Dioscorea codonopsidifolia Kamik.

Dioscorea digitata Mill.

Dioscorea globifera R.Knuth

Dioscorea jacquemontii Hook.f.

Dioscorea kleiniana Kunth

Dioscorea spinosa Burm.

Dioscorea triphylla L.

Hamatris triphylla (L.) Salisb.

Ubium quadrifarium J.F.Gmel.

Ubium scandens J.St.-Hil.

Common Name: Buck Yam

Dioscorea pentaphylla
Growing plant
Photograph by: Forest and Kim Starr
Creative Commons Attribution 3.0
Dioscorea pentaphylla Dioscorea pentaphylla Dioscorea pentaphylla Dioscorea pentaphylla Dioscorea pentaphylla

General Information

Buck yam is a perennial climbing plant producing annual stems from a perennial rootstock. These stems scramble over the ground, or twine into the surrounding vegetation[
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 widely cultivated in tropical areas of Asia for its edible root[
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.
]. It is also harvested from the wild because its slender tubers render its cultivation more difficult[
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

Edible species of Dioscorea have opposite leaves whilst poisonous species have alternate leaves[
174
Title
Atlas of Medicinal Plants.
Publication
 
Author
Kariyone. T.
Publisher
Nihon Rinshosha; Osaka
Year
1973
ISBN
 
Description
A good Japanese herbal.
].

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

Southeastern Asia - Indian subcontinent, China, through southeast Asia to Australia and Pacific Isl.

Habitat

Scrub forests, forest margins; at elevations of 500 - 1,500 metres in southern China[
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.
].

Properties

Edibility Rating *  *  *
Medicinal Rating *  *
HabitPerennial Climber
Height0.00 m
Cultivation StatusCultivated, Wild

Cultivation Details

Plants grow best in lowland tropical areas with a temperature around 26 - 34°c; a well-defined dry season of 2 - 5 months; and a total rainfall of 1,300 - 1,700mm evenly distributed throughout the remainder of the year[
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.
].
For best yields, this species requires a deep, well-drained, sandy loam that is not liable to water-logging[
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.
].
Daylengths of more than 12 hours are preferred during the early growing season since this encourages vegetative growth; daylengths of less than 12 hours towards the end of the growing season will encourage tuber formation and development[
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.
].
There are some named varieties[
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.
].
An extremely widespread and variable species, with at least 16 varieties being recognised[
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.
].
A dioecious species, both male and female plants need to be grown if seed is required.

Edible Uses

Root - cooked[
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.
,
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.
]. The tubers weigh up to 2kg each[
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.
]. The tubers, which creep along just beneath the soil surface, are sometimes very long (up to 1.3 metres) and thin[
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.
].
Male inflorescences and young leaves are sometimes eaten[
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

The juice of the plant is applied to boils[
272
Title
Plants and People of Nepal
Publication
 
Author
Manandhar. N. P.
Publisher
Timber Press. Oregon.
Year
2002
ISBN
0-88192-527-6
Description
Excellent book, covering over 1,500 species of useful plants from Nepal together with information on the geography and peoples of Nepal. Good descriptions of the plants with terse notes on their uses.
].

A decoction of the plant is applied to swellings[
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.
].

Other Uses

None known

Propagation

Seed - not normally used to propagate this species.
Cuttings of tubers. Small tubers can be cut into 2 - 4 sections, larger ones into 6 - 8 sections. Each section should have 2 - 3 dormant buds. The cut tuber is often left in the sun for several hours to promote wound healing and reduce the risk of fungal infection[
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.
].
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-08-19. <tropical.theferns.info/viewtropical.php?id=Dioscorea+pentaphylla>

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