Phenological studies of three Paepalanthus sect. Actinocephalus species were done - P. hilairei, P. polyanthus and P. robustus. Monthly expeditions for 21 months to Serra do Cipó, Minas Gerais, Brazil were realized. It was detected that P. hilairei and P. robustus are perennial plants and P. polyanthus is a biennial plant. All of them present the blooming period mainly in Summer. Smell occurrence is registred in Paepalanthus for the first time.
Eriocaulaceae; Paepalanthus; Actinocephalus; phenology; Serra do Cipó