Delayed differentiation of epidermal cells walls can underlie pedomorphosis in plants: the case of pedomorphic petals in the hummingbird-pollinated Caiophora hibiscifolia (Loasaceae, subfam. Loasoideae) species. - Strelin MM; Zattara EE; Ullrich K; Schallenberg-Rüdinger M; Rensing S (EvoDevo, 2022)