Taradi
Encyclopedia
Taradi, or Himalayan yam
Yam (vegetable)
Yam is the common name for some species in the genus Dioscorea . These are perennial herbaceous vines cultivated for the consumption of their starchy tubers in Africa, Asia, Latin America and Oceania...

, is a little-studied plant which appears above the ground as a low vine, but underground bears long, convoluted tuber growth stretching sometimes as deep as 2 metres. It is native to northern India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. So far it has received very little attention from botanists, and its species has not even been determined or named, although its morphology
Morphology (biology)
In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features....

 and life patterns show it to belong in the Dioscorea
Dioscorea
Dioscorea is a genus of over 600 species of flowering plants in the family Dioscoreaceae, native throughout the tropical and warm temperate regions of the world. The vast majority of the species are tropical, with only a few species extending into temperate climates...

genus, so it is tentatively referred to as Dioscorea sp. nov., literally, "new species of Dioscorea".

The tuber
Tuber
Tubers are various types of modified plant structures that are enlarged to store nutrients. They are used by plants to survive the winter or dry months and provide energy and nutrients for regrowth during the next growing season and they are a means of asexual reproduction...

s are edible, and are eaten during traditional religious festivals. Digging and selling taradi is a major source of income in the region, and there is even a village named Taradi (Taluka District) due to the plant's abundance there.
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