Intron evolution in a phylogenetic perspective: Divergent trends in the two copies of the duplicated def gene in Impatiens L. (Balsaminaceae)
Ute VOLKMAR, Erik F. SMETS, Henning LENZ, Steven B. JANSSENS
J Syst Evol . 2014, (2): 134 -148 .  DOI: 10.1111/jse.12070