ABSTRACT
This research is a survey of the Polygonaceae species distributed in semi-arid zone of state of the Bahia. In that area the family is represented by the following genera with their respective species: Coccoloba (11): C. alagoensis, C. alnifolia, C. brasiliensis, C. bullata, C. confusa, C. fastigiata, C. mosenii, C. ochreolata, C. scandens, C. schwakeana and C. warmingii; Polygonum (5): P. acuminatum, P. ferrugineum, P. hispidum, P. hydropiperoides and P. punctatum; Ruprechtia (3): R. apetala, R. laxiflora and R. ramiflora; Rumex (1) R. crispus and Triplaris (1) T. gardneriana. Key to the genera and species, descriptions and illustrations are presented for the majority of the species studied.
Keywords:
Polygonaceae; Taxonomy; floristic; Bahia