Dioscoreaceae
Chinese yam
Dioscorea polystachya
- Family
- Dioscoreaceae
- Genus
- Dioscorea
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Common names
By language (5)
- Arabic
- بطاطا صينية, أنيام
- Chinese
- 家山藥, 山药, 怀山药, 怀山藥, 淮山, 薯蓣, 薯蓣*(山药、恒春薯蓣）, 家山药
- English
- Chinese yam, Cinnamon-vine, Nagaimo
- French
- Igname de Chine, Nagaimo
- Slovenian
- Kitajska dioskoreja, Batata
Synonyms
- Dioscorea batatas Decne.
- Dioscorea batatas f. clavata Makino
- Dioscorea batatas f. daikok Makino
- Dioscorea batatas f. flabellata Makino
- Dioscorea batatas f. rakuda Makino
- Dioscorea batatas f. tsukune Makino
- Dioscorea cayenensis var. pseudobatatas Hauman
- Dioscorea decaisneana Carrière
- Dioscorea doryphora Hance
- Dioscorea polystachya f. elongata Nakai
- Dioscorea polystachya f. tsukune Nakai
- Dioscorea potaninii Prain & Burkill
- Dioscorea pseudobatatas (Hauman) Herter
- Dioscorea rosthornii Diels
- Dioscorea swinhoei Rolfe
Flowers
- In flower
- July (from 8 flowering iNaturalist observations worldwide)
Photos
Photo: James H. Miller, USDA Forest Service, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Mark Richman, CC BY 4.0, from iNaturalist 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Asher P Higgins, CC BY 4.0, from iNaturalist 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Heather Gottfried Lloyd, CC BY 4.0, from iNaturalist 
Photo: Bob Richmond from Knoxville TN, USA, CC BY 2.0, from Wikimedia Commons 
Photo: Daniel Atha, CC0, from iNaturalist 
Photo: Don McCulley, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Casey Harless, CC0, from iNaturalist 
Photo: Don McCulley, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Liz Crafford, CC BY 4.0, from iNaturalist
More in Dioscorea
- Dioscorea communisDioscoreaceae
- Water yamDioscorea alataDioscoreaceae
- Air yamDioscorea bulbiferaDioscoreaceae
- Lesser yamDioscorea esculentaDioscoreaceae
- Chinese yamDioscorea oppositifoliaDioscoreaceae
- Japanese yamDioscorea japonicaDioscoreaceae
- Fiveleaf yamDioscorea pentaphyllaDioscoreaceae
- Wild yamDioscorea villosaDioscoreaceae
- YamDioscorea hispidaDioscoreaceae
- Elephant's foot yamDioscorea elephantipesDioscoreaceae
- Yellow guinea yamDioscorea cayennensisDioscoreaceae
- Indian yamDioscorea trifidaDioscoreaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.