Tres especies nuevas de Cyathea (Cyatheales: Cyatheaceae) para Colombia

Three new species of Cyathea Sm. are described and illustrated from Colombia. Cyathea antioquiensis di ers from C. latevagans by its rhizome scales with a narrower pale margin, stipe and rachis with scurf and sessile linear-oblong pinnae. Cyathea incognita di ers from C. gracilis by its terrestrial habit, thinner rhizome, rhizome scales with a broad pale margin, shorter fronds, thinner stipe, bipinnate blade, atropur- pureous rachis, sessile pinnae and sori without indusia. Cyathea longipetiolulata di er from C. divergens by its ascending fronds, stipe and rachis without scurf (squamellae and hairs), pinnae and pinnulae with longer pedicle, less segments per pinnulae and evanescent indusia.