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Fiveleaf yam facts for kids

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fiveleaf yam
Starr 030807-0029 Dioscorea pentaphylla.jpg
Scientific classification
Genus:
Dioscorea
Species:
pentaphylla
Synonyms
  • Botryosicyos pentaphyllus (L.) Hochst.
  • Dioscorea triphylla L.
  • Dioscorea digitata Mill.
  • Dioscorea spinosa Burm.
  • Ubium quadrifarium J.F.Gmel.
  • Ubium scandens J.St.-Hil.
  • Dioscorea kleiniana Kunth
  • Hamatris triphylla (L.) Salisb.
  • Dioscorea jacquemontii Hook.f.
  • Dioscorea globifera R.Knuth
  • Dioscorea codonopsidifolia Kamik.
  • Dioscorea changjiangensis F.W.Xing & Z.X.Li
Mountain yam, hawaii, cooked, steamed, without salt
Nutritional value per 100 g (3.5 oz)
Energy 343 kJ (82 kcal)
20 g
0.08 g
Protein
1.73 g
Vitamins Quantity
%DV
Thiamine (B1)
7%
0.086 mg
Riboflavin (B2)
1%
0.014 mg
Niacin (B3)
1%
0.13 mg
Pantothenic acid (B5)
10%
0.48 mg
Vitamin B6
16%
0.209 mg
Folate (B9)
3%
12 μg
Minerals Quantity
%DV
Iron
3%
0.43 mg
Magnesium
3%
10 mg
Manganese
13%
0.283 mg
Phosphorus
6%
40 mg
Potassium
17%
495 mg
Sodium
1%
12 mg
Zinc
3%
0.32 mg

Link to USDA Database entry
Percentages estimated using US recommendations for adults.

The fiveleaf yam (scientific name: Dioscorea pentaphylla) is a type of flowering plant. It belongs to the yam family. This plant is known for its edible underground parts.

Where the Fiveleaf Yam Grows

This plant is originally from parts of Asia. You can find it in countries like China, India, Indonesia, and the Philippines. It also grows in New Guinea and northern Australia.

People grow the fiveleaf yam in many places. It is an important food crop. It has also spread naturally to Cuba and islands in the Pacific Ocean, including Hawaii.

What the Fiveleaf Yam Looks Like

The fiveleaf yam is a vine that can grow very long. It can reach up to 10 meters (about 33 feet) in length. The vine has small prickles. It wraps itself around other plants or objects. It always twines in a counterclockwise direction.

Its leaves are special. Each leaf is divided into 3 to 5 smaller parts called leaflets. Each leaflet can be up to 10 centimeters (about 4 inches) long.

The plant also makes small, horseshoe-shaped parts called bulbils. These bulbils are about one centimeter long. New plants can grow from these bulbils. The flowers of the fiveleaf yam grow in long clusters called spikes.

The Yam Tuber

The main part of the fiveleaf yam is its tuber. This is a thick, underground stem. It is where the plant stores its food. These tubers can grow quite large. Some can weigh up to 3 pounds (about 1.4 kilograms). They can also be found deep underground, sometimes more than a meter (about 3 feet) down.

How We Use Fiveleaf Yam

The tubers of the fiveleaf yam are edible. People cook them before eating. They are a good source of food in many regions.

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