The rare occurrence of a reversion to an ancestral state following adaptive radiations of pollination syndromes suggests that changes in the ancestral developmental programme of flowers are common in this scenario...
Disproving a C4 reversion in Eragrostis Eragrostis walteri (Poaceae), a grass with C3 foliar anatomy in an otherwise C4 genus and subfamily, has long been thought to be an exceptional example of the rare evolutionary...