Probable Base Number for Genus x = 10
References
Mabry, T. J., B. N. Timmermann, N. Heil, and A. M. Powell. 1981. Systematic implications of the
flavonoids and chromosomes of Flyriella (Compositae-Eupatorieae). Plant Systematics
and Evolution 137: 275-280.
Sundberg, S., C. P. Cowan, and B. L. Turner. 1986. Chromosome counts of Latin American Compositae. American Journal of Botany 73: 33-38.