Figure 3 in Life history patterns of coleopteran pollinators of Annona crassiflora Mart. in the Brazilian Cerrado

Figure 3. Some steps in the floral cycle of Annona crassiflora in a Cerrado area in the municipality of Chapada dos Guimarães, MT. (a) Developing flower buds photographed in early August, almost two months before the flowering season of A. crassiflora. (b) Open flower chamber photographed in the morning before the onset of anthesis. (c) Flower entering the female phase, photographed from below during crepuscule. Note the sticky, transparent, glossy substance on the gynoecium (the stigmatic exudate; arrow). Petals were spread open to show internal structures.