Reply How to investigate a putative signal? Stick to the right method when assessing the response of a receiver The evolution of autumn leaf coloration moved into the focus of ecologists after the seminal publication by Hamilton & Brown (2001). In that article, Hamilton & Brown proposed the coevolutionary hypothesis, suggesting that red and yellow leaves in autumn evolved as warning signals to ...

Under the present wording of Art. H.11.1 International Code Nomenclature for algae, fungi, and plants (Turland & al. in Regnum Veg. 159. 2018), “The name a nothospecies which postulated or known parent species belong to different genera is combination nothogeneric with nothospecific epithet.” No other option naming such bigeneric multigeneric hybrids mentioned Code, therefore we think that rest...