Dioscorea pentaphylla

L.

Five leaflet yam

DioscoreaceaeLeavesRootsFlowersScore: 32/100Potential hazards — see below
Caution — Parts of this plant may be toxic or require specific preparation. Verify with multiple sources before consuming.
Dioscorea pentaphylla
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(c) Paulmathi Vinod, some rights reserved (CC BY), uploaded by Paulmathi Vinod
Dioscorea pentaphylla
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(c) Satish Nikam, some rights reserved (CC BY-NC-SA)
Dioscorea pentaphylla
iNaturalist · cc-by-nc
(c) Kobita Dass Kolli, some rights reserved (CC BY-NC), uploaded by Kobita Dass Kolli

What to Eat

Edible parts: Tubers, Root, Leaves, Flowers, Bulbils

The underground and aerial tubers are eaten boiled or roasted. Bulbils are also cooked and eaten. The leaves and flowers are reported to be eaten in India.

Known Hazards

Poisonous types of this yam occur and require special preparation: cut into pieces, repeatedly boiled and placed in running water, or washed and baked before consumption.

Where to Find It

A tropical plant. They grow from sea level up to 1600 m. It needs a well drained, well aerated soil. They are best adapted to an abundant rainfall during the growing season and an annual dry season. Soils need to be fertile. Five leaflet yam or Dioscorea pentaphylla L. occurs mainly in China; Malaysia; India; Indonesia; the Philippines; Papua New Guinea and into the Pacific Islands. It is common and widely distributed throughout the Philippines. In Yunnan.

American Samoa, Andamans, Asia, Australia, Bangladesh, Bhutan, Brazil, Cambodia, China (Yunnan), Cook Is., Fiji, Guam, Hawaii, Himalayas, India, Indochina, Indonesia, Japan, Laos, Malaysia, Marquesas, Micronesia, Myanmar, Nepal, New Caledonia, Niue, Northeastern India, Pacific, Palau, Papua New Guinea, PNG, Philippines, Samoa, SE Asia, Sikkim, Solomon Islands, South America, Sri Lanka, Taiwan, Thailand, Tibet, Tonga, Vanuatu, Vietnam, Wallis & Futuna, Yap,

Countries: United Arab Emirates, Afghanistan, Armenia, Argentina, American Samoa, Australia, Azerbaijan, Bangladesh, Bahrain, Brunei, Bolivia, Brazil, Bhutan, Chile, China, Colombia, Ecuador, Fiji, Micronesia, Georgia, French Guiana, Guyana, Indonesia, Israel, India, Iraq, Iran, Jordan, Japan, Kyrgyzstan, Cambodia, Kiribati, North Korea, South Korea, Kuwait, Kazakhstan, Laos, Lebanon, Sri Lanka, Marshall Islands, Myanmar, Mongolia, Maldives, Malaysia, New Caledonia, Nepal, Nauru, Niue, New Zealand, Oman, Peru, French Polynesia, Papua New Guinea, Philippines, Pakistan, Palau, Paraguay, Qatar, Saudi Arabia, Solomon Islands, Singapore, Suriname, Syria, Thailand, Tajikistan, Timor-Leste, Turkmenistan, Tonga, Turkey, Tuvalu, Taiwan, United States, Uruguay, Uzbekistan, Venezuela, Vietnam, Vanuatu, Samoa, Yemen

How to Identify

A yam with a climbing vine 2-5 m long. The stems have scattered small spines. There are small tubers found in the axils of the leaves as well as larger underground tubers. The leaves have 5 to 7 leaflets pointed at the tip and 8 to 15 cm long. Often the lower leaves have 5-7 leaflets and upper leaves have 3 leaflets. The leaflets are spread out like fingers on a hand. The leaves are finely hairy. The flowers are small, yellowish white with a slight smell and borne in large numbers of flower clusters in the axils of leaves. The male flower spikes are 10-18 cm long and mostly occur as two together in the axil of a leaf. The female spikes occur as 1-3 together and are as long as the male ones. The fruit are winged capsules 8-12 mm long by 6-9 mm wide. The tubers vary in colour and shape. Often they are round and covered with long hairs.

Nutrition Score: 32/100

PartMoisturekJkcalProteinVit AVit CIronZinc
Root 8026664 2.3—2.8 0.440.4

How to Grow

They are grown from tubers or pieces of tubers. They can be grown from aerial tubers. The dormancy of the tuber can be short. They need stakes for support. Stakes of about 2 m are adequate although live stakes are often used. They often grow wild.

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.

Medicinal Uses

No medicinal uses mentioned in data.

Wikipedia

Source ↗

Dioscorea pentaphylla is a species of flowering plant in the yam family known by the common name fiveleaf yam. It is native to southern and eastern Asia (China, India, Indochina, Indonesia, Philippines, etc.) as well as New Guinea, Sri Lanka and northern Australia. It is widely cultivated as a food crop and naturalized in Cuba and on several island chains in the Pacific (including Hawaii). Dioscorea pentaphylla is a prickly vine that twines counterclockwise around objects and other plants. It may reach 10 meters in length. The alternately arranged leaves are compound, divided into 3 to 5 leaflets each up to 10 centimeters long. The plant produces horseshoe-shaped bulbils about a centimeter long. New plants can sprout from the bulbils. Flowers are borne in spikes. The vine grows from a tuber. Specimens may weigh 3 pounds and may be located over a meter underground. The tubers of the vine can be cooked and eaten.

Production

Tubers are harvested after the vines die back.

Other Information

This yam is not widely used in Papua New Guinea, but it can be found occasionally in many areas. It is sold in local markets. It is cultivated.

Notes

There are about 650 species of Dioscorea.

Names & Synonyms

Allai, Alshi, Aser, Babra, Baha, Bantarul, Bayan alu, Bhaegur, Bhusa, Bhyagur, Bhyakur, Boiato, C jing, Chai, Chatavali, Chavi, Chedhukandhi, Chuinyan, Damlong teuk, De de, Dui yi bao, Dukapendalamu, Dure dari, Fi’i arakai, Gazaria, Gholongi, Hill, Huoyimian, Huvdo, Huwi dawata, Jabet, Jangli-alu, Kaadu gumbala, Kaile, Kala kand, Kanta alu, Kataalu Katavala, Kattukilangu, Kattukkillangu, Katuala, Kokolo, Kophrehro, Koshauk-rik, Kusok, Kyway-u, Lavati Aniv, Lima-lima, Man awn, Man hing, Mandi, Mithe tarul, Nakwa kanda, Nealengu, Nuraigenasu, Nurunnaki-langu, Nyivanyi, Pachpotia alu, Padmati, Pakatiro, Pan-dang, Parauara, Pas, Paspotia alu, Pilita, Put-sa-u, Ram bahra, Ruipheng, Sapang, Ser, Shahada, Shanedvel, Stenz, Suar alu, Suarkand, Tabongo, Taigun, Takuli, Tha bolong, Thaphin, Tokatolu, Ubi pasir, Ubi sakai, Ubi sanda, Ulashi, Ulasi, Uli, Utau, Vor dom loung teuk, Vymu dumpa, Yi bao

Botryosicyos pentaphyllus (L.) Hochst.Dioscorea changjiangensis F. W. Xing & Z. X. LiDioscorea codonopsidifolia Kamik.Dioscorea digitata Mill.Dioscorea globifera R. KnuthDioscorea jacquemontii Hook.f.Dioscorea kleiniana KunthDioscorea pentaphylla var. - variousDioscorea spinosa Burm.Dioscorea triphylla L.Ubium quadrifarium J. F. Gmel.Ubium scandens J. St.-Hil.
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