Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species

Abstract. Wong SY, Chua KS. 2019. Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species. Biodiversitas 20: 3096-3118. A phylogenetic study of 16 of the c. 20 Tacca species is presented using nuclear ITS and plastid matK gene regions. Tacca le...

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Autores principales:	Sin Yeng Wong, Kek Shen Chua
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2019
Materias:	borneo, its, matk, new species Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/74a5da0e605a4ed9a1fb4a92acceb619
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spelling	oai:doaj.org-article:74a5da0e605a4ed9a1fb4a92acceb6192021-11-21T21:57:24ZPhylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species1412-033X2085-472210.13057/biodiv/d201102https://doaj.org/article/74a5da0e605a4ed9a1fb4a92acceb6192019-10-01T00:00:00Zhttps://smujo.id/biodiv/article/view/4382https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Abstract. Wong SY, Chua KS. 2019. Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species. Biodiversitas 20: 3096-3118. A phylogenetic study of 16 of the c. 20 Tacca species is presented using nuclear ITS and plastid matK gene regions. Tacca leontopetaloides and T. maculata are a sister clade to the rest of the Tacca species. Tacca palmata and T. palmatifida are strongly supported together in a clade with this clade sister to T. bibracteata and T. plantaginea. All endemic Bornean taxa except T. bibracteata formed a derived clade together with non-Bornean T. cristata and T. sumatrana. The Bornean taxa are separated into three clades with T. borneensis sister to the other two clades. Twelve morphological characteristics are coded and mapped onto the Maximum Parsimony tree to elucidate potential evolutionary patterns. Results indicated shifts from a geophytic (irregularly-) seasonally dormant to an evergreen mesophytic habit, a decompound to a simple leaf blade, a long to a short peduncle, green to dark-colored inflorescences, numerous to few inner bracts, bracteoles, and flowers, and a low to an increased number of ovules. Within the Bornean taxa, there is a reversal from showy bracts and elaborate inflorescences to less showy bracts and simplified inflorescences. Tacca cristata Jack is resurrected from within T. integrifolia Ker Gawl. sensu Drenth. A new species, Tacca havilandii S.Y.Wong & K.S.Chua from Borneo is described.Sin Yeng WongKek Shen ChuaMBI & UNS Soloarticleborneo, its, matk, new speciesBiology (General)QH301-705.5ENBiodiversitas, Vol 20, Iss 11 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	borneo, its, matk, new species Biology (General) QH301-705.5
spellingShingle	borneo, its, matk, new species Biology (General) QH301-705.5 Sin Yeng Wong Kek Shen Chua Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species
description	Abstract. Wong SY, Chua KS. 2019. Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species. Biodiversitas 20: 3096-3118. A phylogenetic study of 16 of the c. 20 Tacca species is presented using nuclear ITS and plastid matK gene regions. Tacca leontopetaloides and T. maculata are a sister clade to the rest of the Tacca species. Tacca palmata and T. palmatifida are strongly supported together in a clade with this clade sister to T. bibracteata and T. plantaginea. All endemic Bornean taxa except T. bibracteata formed a derived clade together with non-Bornean T. cristata and T. sumatrana. The Bornean taxa are separated into three clades with T. borneensis sister to the other two clades. Twelve morphological characteristics are coded and mapped onto the Maximum Parsimony tree to elucidate potential evolutionary patterns. Results indicated shifts from a geophytic (irregularly-) seasonally dormant to an evergreen mesophytic habit, a decompound to a simple leaf blade, a long to a short peduncle, green to dark-colored inflorescences, numerous to few inner bracts, bracteoles, and flowers, and a low to an increased number of ovules. Within the Bornean taxa, there is a reversal from showy bracts and elaborate inflorescences to less showy bracts and simplified inflorescences. Tacca cristata Jack is resurrected from within T. integrifolia Ker Gawl. sensu Drenth. A new species, Tacca havilandii S.Y.Wong & K.S.Chua from Borneo is described.
format	article
author	Sin Yeng Wong Kek Shen Chua
author_facet	Sin Yeng Wong Kek Shen Chua
author_sort	Sin Yeng Wong
title	Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species
title_short	Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species
title_full	Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species
title_fullStr	Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species
title_full_unstemmed	Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species
title_sort	phylogeny of tacca (taccaceae) and traits in reproductive structures, with description of a new bornean species
publisher	MBI & UNS Solo
publishDate	2019
url	https://doaj.org/article/74a5da0e605a4ed9a1fb4a92acceb619
work_keys_str_mv	AT sinyengwong phylogenyoftaccataccaceaeandtraitsinreproductivestructureswithdescriptionofanewborneanspecies AT kekshenchua phylogenyoftaccataccaceaeandtraitsinreproductivestructureswithdescriptionofanewborneanspecies
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Phylogeny of Tacca (Taccaceae) and traits in reproductive structures, with description of a new Bornean species

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