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Fig. 4. Flower rewards of species of the subtribe Maxillariinae: A and B, clusters of unicellular trichomes on the lip (A, Maxillaria rufescen; B, M. brasiliensis); C and D, resin‐like secretions on the lip (C, M. violaceopunctata; D, M. equitans); E, M. friedrichstahlii; F, wax‐like secretions on the lip of M. cerifera; G, lip trichomes of M. camaridii; H, nectar droplets on the lip of M. parviflora.
