Region: Asia - Tajikistan, Afghanistan, Pakistan, India, China, Mongolia, Serbia, Russian Far East, Japan, Korea, Myanmar, Malaysia
Habitat: sunny grassy place, thickets in lowland and hills; fields, wasteland, roadsides, river banks; prefers sandy soils; elevations from 100 to 3500 metres
Use: medicine; root, cooked, washed, steamed, nutritious, rich in starch and sugar; young shoots, cooked.
BotanyHerb; perennial.
Root: rhizomatous rootstock.
Stem: erect when young, later prostrate or twining; 10 to 60 cm to 100 long.