leaf characteristic

Huang H-P, Gao S-L, Chen L-L, Wei K-H. In vitro tetraploid induction and generation of tetraploids from mixoploids in Dioscorea zingiberensis. Pharmacognosy Magazine [Internet]. 20100213th ed. 2010;6(21):51-56. https://www.ncbi.nlm.nih.gov/pubmed/20548936