Abstract
This work presents a taxonomic treatment for the family Marcgraviaceae in the ironstone outcrops - canga vegetation - of Serra dos Carajás, represented by two species, Norantea guianensis Aubl. and Souroubea guianensis Aubl. The study comprises morphological descriptions, illustrations, and taxonomic comments for the species treated.
Key words:
FLONA Carajás; Norantea; Souroubea; canga vegetation
