ABSTRACT
The present survey of the Brazil northeastern Amaryllidaceae s.s. and Alliaceae s.s. has recorded 22 species. Amaryllidaceae is represented by 20 species and four genera: Griffinia (8 spp.), Habranthus (6), Hippeastrum (5), and Hymenocallis (1); and Alliaceae by two Nothoscordum spp. Identification keys, descriptions and illustrations are provided, alongside with habitat and distribution data in the Northeastern Brazil.
Key words:
monocots; taxonomy; floristics; plant survey; Caatinga; Atlantic Rain Forest