Establishment of the Hohenbergia capitata complex (Bromeliaceae) with notes on leaf anatomy and description of a new endangered species - Cavalcante, Brayan Paiva; Silva, Kleber Resende; Pereira, Mayara A.; Souza, Everton Hilo de; Versieux, Leonardo M.; Martinelli, Adriana Pinheiro (Phytotaxa, 2021)