CCDBAngiospermsCompositaeTithoniaTithonia speciosa (Hook.) Hook. ex Griseb.

2 chromosome counts in Tithonia speciosa (Hook.) Hook. ex Griseb.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Tithonia speciosa (Hook.) Hook. ex Griseb. Tithonia rotundifolia (Mill.) S. F. Blake 17   IPCN online Gupta, R. C. & B. S. Gill. 1989. Cytopalynology of north and central Indian Compositae. J. Cytol. Genet. 24: 96–105.
  Tithonia speciosa (Hook.) Hook. ex Griseb. Tithonia rotundifolia (Mill.) S. F. Blake 17   IPCN online Gupta, R. C. & B. S. Gill. 1979. In IOPB chromosome number reports LXIV. Taxon 28: 401–402.