Dioscorea nipponica
Makino
Japan yam, Uchiwa yam
iNaturalist· cc-by-nc
(c) wresy, some rights reserved (CC BY-NC)
iNaturalist· cc-by-nc
(c) Вероника Белова, some rights reserved (CC BY-NC)
Description
A yam. It is a herb or vine. It keeps growing from year to year. The rhizome is horizontal and 1.5 cm thick. The stem twines to the left. It is 5 m long. The leaves are alternate and simple.
Edible Uses
Only young aerial tubers are used.
Traditional Uses
Only young aerial tubers are used and they should only be eaten in small quantities.
This uses section is brief — help expand it
Known Hazards
Young aerial tubers should only be eaten in small quantities.
Distribution
It is a warm temperate plant. In China it grows in mixed forests between 100-1,800 m above sea level.