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Recognition of the genus Thaumatophyllum Schott - formerly Philodendron subg. Meconostigma (Araceae) - based on
Cassia Mônica Sakuragui1, Luana Silva Braucks Calazans1, Leticia Loss de Oliveira2
1Universidade Federal do Rio de Janeiro, Centro de Ciências da Saúde, Instituto de Biologia, Departamento de Botânica, Av. Carlos Chagas Filho, 373 - Sala A1-088 - Bloco A, Ilha do Fundão, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
Abstract:
Philodendron subgenus Meconostigma has been a well-circumscribed group since 1829. Members of this group are easily distinguished by diagnostic morphological characters as well as by a distinct ecology and geographical distribution. Based on molecular, morphological and cytological evidence, we propose the recognition of P. subg. Meconostigma as a distinct genus, Thaumatophyllum Schott. We also present the necessary new combinations, an emended key and some nomenclatural and taxonomic corrections regarding 21 names of Thaumatophyllum.
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