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Plant Search > Chinese Yam

Chinese Yam (Dioscorea polystachya)

About Chinese Yam

Chinese Yam is a Vine. Vines are either woody or herbaceous plants that climb or sprawl.

Plant Names (Nomenclature)

Common Plant Name Chinese Yam
Scientific Plant Name Dioscorea polystachya
Other Common Names
Other Scientific Names
Common Family Name Yam
Scientific Family Name Dioscoreaceae


Native Status U.S. Introduction Alien Species: Introduced to Kansas and the United States.

Growth Characteristics

Growth Habit/Form Vine Vines are either woody or herbaceous plants that climb or sprawl.
Life Span Perennial Perennials are herbaceous plants that live three or more years
Maximum Height 5.0 feet height in feet
Maximum Spread 2.0 feet width in feet
Flower Color White, colors of the flowers
Flowering Season May - May typical months to expect blooms
Reproduction Vegetative methods of reproduction

Growth Requirements

Sun Exposure Part Sun Full Sun: direct sun 8 or more hours of the day
Part Sun: direct sun 4 to 8 hours of the day; about half a day of sun
Shade: direct sun 0 to 4 hours of the day
Soil Moisture Moist to Medium Wet: Soil is soggy or marshy
Moist: Soil tends to stay moist and rarely dries out
Medium: Average soil moisture, little or now slope
Drained: Soil is well drained, never soggy; medium slope
Dry: Soil is dry, often typical of rocky soil; steep slope


Images of the plants' flowers, fruits, seeds, leaves, and stems are shown as all are useful in identifying plants.

Chinese Yam (Dioscorea polystachya)Chinese Yam (Dioscorea polystachya)