Probable Base Number for Genus x = 10
A. wurdacki n=10 ref Turner et al. 1967
References
Dillon M. and B. L. Turner. 1982. Chromosome numbers of Peruvian Compositae. Rhodora 84: 131-137.
Turner, B. L. A. M. Powell, and J. Cuatrecasas. 1967. Chromosome numbers in Compositae. XI. Peruvian species. Annals of the Missouri Botanical Garden 54: 172-177.