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The growing of large yams (they can be as large as 80-90 inches (2.3 m) long) determines the status of individuals as well as the whole village. [1] At yam festivals an individual would give his largest yam to his worst enemy who would then be obligated to grow an even larger yam or have his status fall each year in which he was unable to do so.
Dioscorea bulbifera (commonly known as the air potato, air yam, bitter yam, cheeky yam, potato yam, [2] aerial yam, [3] and parsnip yam [4]) is a species of true yam in the yam family, Dioscoreaceae. It is native to Africa, Asia and northern Australia. [ 1 ]
Yam plants can grow up to 15 metres (49 feet) in length and 7.6 to 15.2 centimetres (3 to 6 inches) high. [1] The tuber may grow into the soil up to 1.5 m (5 ft) deep. [ 1 ] The plant disperses by seed .
Dioscorea polystachya or Chinese yam (simplified Chinese: 山药; traditional Chinese: 山藥), also called cinnamon-vine, [2] is a species of flowering plant in the yam family. It is sometimes called Chinese potato or by its Korean name ma. [3] [2] It is also called huaishan in Mandarin and wàaih sāan in Cantonese.
Amorphophallus paeoniifolius, the elephant foot yam [4] or whitespot giant arum, [5] [6] is a tropical plant native to Island Southeast Asia. It is cultivated for its edible tubers in Southeast Asia, South Asia, Madagascar, New Guinea, and the Pacific islands.
"Sweet potatoes have a starchy texture and sweet flesh," Gavin said. "The major types are grouped by the color of the flesh, not by the skin." In the grocery store, you'll likely see orange, white ...
Dioscorea alata – also called ube (/ ˈ uː b ɛ,-b eɪ /), ubi, purple yam, or greater yam, among many other names – is a species of yam (a tuber). The tubers are usually a vivid violet - purple to bright lavender in color (hence the common name), but some range in color from cream to plain white.
World yam production Yam in a market. Nigeria is by far the world’s largest producer of yams, accounting for over 70–76 percent of the world production.According to the Food and Agriculture Organization report, in 1985, Nigeria produced 18.3 million tonnes of yam from 1.5 million hectares, representing 73.8 percent of total yam production in Africa. [1]