Figure 1

Photographs of some plant species presented as visual stimuli during the participative workshop in the village of Sítio Carão , Altinho municipality, Pernambuco (NE Brazil), in which: a. Jatropha molíssima (Pohl) Bail. (pinhão bravo); b. Helicteres macropetala A.St.-Hil. (moleque duro); c. Erythrina velutina Wild. (mulungu); d. Capparis jacobinae Moric. ex. Eicler (incó or incol); e. Ziziphus joazeiro Mart. (juazeiro); f. Ditaxis malpiguiaceae (Ule) Pax e K. Hoffm. (not recognized).