Vriesea (Bromeliaceae, Tillandsioideae): a cladistic analysis of eastern Brazilian species based on morphological characters
Tipo de material:
ArtigoAssunto(s): Recursos online:
Em: Rodriguésia (Brazil) v. 66(2) p. 429-440; (2015)Sumário:
Abstract
Vriesea, with about 280 species distributed in two sections, Vriesea and Xiphion, is recognized as polyphyletic.
We provide the cladistic analysis based on morphological data, with emphasis on species from eastern Brazil,
its main center of diversity, which emerged as a monophyletic group in previous molecular and combined
analysis. The data matrix contained information of 60 species of Vriesea, and two of Alcantarea, for a total
of 62 terminal taxa and 66 characters. The analysis produced one tree with 652 steps. The classic infrageneric
division of the sections was not corroborated. Characters traditionally used to separate the two sections
supported clades containing species from both sections. Morphologically related monophyletic groups were
recognized. Some characters have been highlighted as potentially important in the circumscription of small
groups of species and have not yet been much used in the systematics of Vriesea.
Key words: morphology, phylogeny, taxonomy, Vrieseeae.
| Tipo de material | Biblioteca atual | Número de chamada | Informaçaõ do volume | URL | Situação | Devolução em | Código de barras |
|---|---|---|---|---|---|---|---|
Periódicos
|
Biblioteca Nacional de Agricultura - Binagri | 2015 66(2) | Texto integral (PDF) | Não pode ser emprestado | 2025-1431 |
Publicação on-line; Bibliography p. 437-440 (99 ref.); 1 table; 2 illus.; Summary (En)
Abstract
Vriesea, with about 280 species distributed in two sections, Vriesea and Xiphion, is recognized as polyphyletic.
We provide the cladistic analysis based on morphological data, with emphasis on species from eastern Brazil,
its main center of diversity, which emerged as a monophyletic group in previous molecular and combined
analysis. The data matrix contained information of 60 species of Vriesea, and two of Alcantarea, for a total
of 62 terminal taxa and 66 characters. The analysis produced one tree with 652 steps. The classic infrageneric
division of the sections was not corroborated. Characters traditionally used to separate the two sections
supported clades containing species from both sections. Morphologically related monophyletic groups were
recognized. Some characters have been highlighted as potentially important in the circumscription of small
groups of species and have not yet been much used in the systematics of Vriesea.
Key words: morphology, phylogeny, taxonomy, Vrieseeae.
BINAGRI