Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana

Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana

The systematics of Tryssophyton, herbs endemic to the Pakaraima Mountains of western Guyana, is reviewed and Tryssophyton quadrifolius K.Wurdack & Michelang., sp. nov. from the summit of Kamakusa Mountain is described as the second species in the genus. The new species...

Full description

Bibliographic Details
Main Authors: Kenneth J. Wurdack, Fabián A. Michelangeli
Format: Article
Language:English
Published: Pensoft Publishers 2019-12-01
Series:PhytoKeys
Online Access:https://phytokeys.pensoft.net/article/38558/download/pdf/
id doaj-b941784428494336b4b0a727145388cc
record_format Article
spelling doaj-b941784428494336b4b0a727145388cc2020-11-25T01:16:36ZengPensoft PublishersPhytoKeys1314-20111314-20032019-12-0113612110.3897/phytokeys.136.3855838558Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of GuyanaKenneth J. Wurdack0Fabián A. Michelangeli1National Museum of Natural History, Smithsonian InstitutionThe New York Botanical Garden The systematics of Tryssophyton, herbs endemic to the Pakaraima Mountains of western Guyana, is reviewed and Tryssophyton quadrifolius K.Wurdack & Michelang., sp. nov. from the summit of Kamakusa Mountain is described as the second species in the genus. The new species is distinguished from its closest relative, Tryssophyton merumense, by striking vegetative differences, including number of leaves per stem and leaf architecture. A phylogenetic analysis of sequence data from three plastid loci and Melastomataceae-wide taxon sampling is presented. The two species of Tryssophyton are recovered as monophyletic and associated with mostly Old World tribe Sonerileae. Fruit, seed and leaf morphology are described for the first time, biogeography is discussed and both species are illustrated. https://phytokeys.pensoft.net/article/38558/download/pdf/
collection DOAJ
language English
format Article
sources DOAJ
author Kenneth J. Wurdack
Fabián A. Michelangeli
spellingShingle Kenneth J. Wurdack
Fabián A. Michelangeli
Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana
PhytoKeys
author_facet Kenneth J. Wurdack
Fabián A. Michelangeli
author_sort Kenneth J. Wurdack
title Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana
title_short Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana
title_full Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana
title_fullStr Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana
title_full_unstemmed Systematics and relationships of Tryssophyton (Melastomataceae), with a second species from the Pakaraima Mountains of Guyana
title_sort systematics and relationships of tryssophyton (melastomataceae), with a second species from the pakaraima mountains of guyana
publisher Pensoft Publishers
series PhytoKeys
issn 1314-2011
1314-2003
publishDate 2019-12-01
description The systematics of Tryssophyton, herbs endemic to the Pakaraima Mountains of western Guyana, is reviewed and Tryssophyton quadrifolius K.Wurdack & Michelang., sp. nov. from the summit of Kamakusa Mountain is described as the second species in the genus. The new species is distinguished from its closest relative, Tryssophyton merumense, by striking vegetative differences, including number of leaves per stem and leaf architecture. A phylogenetic analysis of sequence data from three plastid loci and Melastomataceae-wide taxon sampling is presented. The two species of Tryssophyton are recovered as monophyletic and associated with mostly Old World tribe Sonerileae. Fruit, seed and leaf morphology are described for the first time, biogeography is discussed and both species are illustrated.
url https://phytokeys.pensoft.net/article/38558/download/pdf/
work_keys_str_mv AT kennethjwurdack systematicsandrelationshipsoftryssophytonmelastomataceaewithasecondspeciesfromthepakaraimamountainsofguyana
AT fabianamichelangeli systematicsandrelationshipsoftryssophytonmelastomataceaewithasecondspeciesfromthepakaraimamountainsofguyana
_version_ 1725149132282134528

Similar Items