Raja Ala (රාජ අල)

Arrowroot (Maranta arundinacea) is a tropical tuber native to Indonesia. People use the root and rhizome (underground stem) of arrowroot as a source of starch. It is usually processed into a powder.

The sweet potato or sweetpotato (Ipomoea batatas) is a dicotyledonous plant that belongs to the bindweed or morning glory family, Convolvulaceae.

Asparagus racemosus is a woody, climbing plant used in Ayurvedic medicine. It's considered endangered and It might also stimulate the immune system.

Cassava, (Manihot esculenta), also called manioc, mandioca, or yuca, tuberous edible plant of the spurge family (Euphorbiaceae) from the American tropics. It is cultivated throughout the tropical world for its tuberous roots, from which cassava flour, breads, tapioca are derived

Amorphophallus paeoniifolius, the elephant foot yam or whitespot giant arum, is a tropical tuber crop grown primarily in Africa, South Asia, Southeast Asia. Because of its production potential and popularity as a vegetable in various cuisines.

Dioscorea esculenta, commonly known as the lesser yam, is a yam species native to Island Southeast Asia and introduced to Near Oceania and East Africa by early Austronesian voyagers. It is grown for their edible tubers, though it has smaller tubers.

Buthsarana grows well in the wet zone and lowlands of Sri Lanka. This yam variety grows up to 5-6 feet producing aggregated yams. Its leaves are fairly wide and elongated.

commonly known as native or country potato in Africa and called Chinese potato in India, is a perennial herbaceous plant of the mint family. It is cultivated for its edible tubers primarily in West Africa, as well as more recently in parts of Asia.

Five Leaf Yam is climbing plant, with compound leaves. Tubers are irregular, usually long ovoid, transverse section white when fresh, becoming brown, roots fibrous. Leaves are alternately arranged on the twining stems

Dioscorea alata, also known as purple yam or greater yam is a species of yam. The tubers are usually a vivid violet-purple to bright lavender in color, but some range in color from cream to plain white.

Hingurala is a species of yam. These are very useful food for pregnant women, they are a very valuable medicine that helps to fix the walls of the uterus and strengthen the fetus.

lotus root is actually the stem of the plant. Growing as long as four feet.Fresh roots are light brown in colour while the matured ones are dark brown.

Colocasia esculenta is a tropical plant grown primarily for its edible corms, a root vegetable most commonly known as taro, among many other names.