Abstract
Two species of Iridaceae belonging to a single genus of the Tigridieae were recorded in the Serra dos Carajás, Pará, Brazil: Cipura paludosa and Cipura xanthomelas. Only the second species was recorded from the areas of cangas. This taxonomic study presents a morphological description, detailed illustrations, and diagnostic comments for C. xanthomelas.
Key words:
Cipura; FLONA Carajás; Tigridieae