1, 8: 11.
Erythrina, Ormosia and Abrus might be aposematically coloured to warn seed eaters of their toxicity.
; Sytsma, K.
Hybridazation often occurs among Papaver rhoeas P.
Such unicoloured areas in plants can serve as a killing-zone for herbivores that do not match their colour.
Meconella resolved as a monophyletic group, sister to other Papaver sects.