Some of the more common species from the Prof. Dr. Karl Arens Reserve: (a–b) Anadenanthera peregrina; (c–d) Miconia rubiginosa; (e–f) Pera glabrata; (g–h) Xylopia aromatica; (i–j) Virola sebifera; (k–l) Ocotea pulchella; (m–n) Amaioua intermedia; (o–p) Qualea grandiflora. Photos: Lilian S. Santos (a–p).