Chinese yam
Dioscorea polystachya or Chinese yam, also called cinnamon-vine, is a species of flowering plant in the yam family. It is sometimes called Chinese potato or by its Korean name ma. It is also called huaishan in Mandarin and wàaih sāan in Cantonese.
From Wikipedia, licensed under CC BY-SA 4.0
Research Mentions
Rare soil fungi outperform common ones at reviving depleted yam fields
Growers of medicinal or culinary yams who rotate the same beds year after year face steadily wors...