Figure 1: Whorled versus spiral flowers. Figure 2: Dynamic expression of floral organ identity genes in Nigella damascena. Figure 4: Floral organ identity determination in wild-type, ‘Double Sepals’ ...
American Journal of Botany, Vol. 102, No. 6 (June 2015), pp. 819-832 (14 pages) • Premise of the study: Crested sepals, which have evolved at least five times in Iris, are adaxially elaborated with a ...