Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsDioscoreaceaeDioscoreaDioscorea japonica Thunb.

4 chromosome counts in Dioscorea japonica Thunb.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Dioscorea japonica Thunb. Dioscorea japonica Thunb.   400, 100 IPCN online Chin, H., M. Chang, P. Ling, C. Ting & F. Dou. 1985. A cytological study on Chinese Dioscorea L. - the chromosome numbers and their relation to the origin and evolution of the genus. Acta Phytotax. Sin. 23: 11–18.
  Dioscorea japonica Thunb. Dioscorea japonica Thunb. 10   IPCN72 TAKEUCHI, Y. 1972. Embryo sac development in Dioscorea japonica Thunb. & Q. quinqueloba Thunb. Acta Phytotax. Geobot. 25: 57-60.
  Dioscorea japonica Thunb. Dioscorea japonica Thunb.   40 Kumar, 1987 . Nakajima, G. 1933, 1942 ; Martin, F.W. & Ortiz, S. 1963
!   Dioscorea japonica Thunb. Dioscorea japonica Thunb.   40 Darlington, 1955