Photo of leafy shoots bearing blue berries. A leaf subtending a cluster of berries has turned bright coppery red.
In the 1980s, E. Stiles hypothesized that plants advertise fruit with a contrasting foliar βflag.β Iβve seen this phenomenon in cultivated Berberis, like this B. aquifolium (π·: Alicia CCBYNC4). Some experiments support the hypothesis; some donβt. π€·ββοΈ #dispersal #Berberidaceae #Botany πΎπ§ͺπ±