Latin American Malvaceae - Malvoideae

Neotropical Flowering Plants

Phylogenetic relationships within the tribe Malveae (Malvaceae, subfamily Malvoideae) as inferred from its sequence data

Publication Type:Journal Article
Year of Publication:2005
Authors:J. A. Tate, Aguilar, J. F., Wagstaff, S. J., La Duke, J. C., Slotta, T. A. B., Simpson, B. B.
Journal:American Journal of Botany
Volume:92
Pagination:584-602
Type of Article:Journal Article
ISSN:0002-9122
Keywords:Malvaceae, malveae, malvoideae
Abstract:

Phylogenetic relationships among genera of tribe Malveae (Malvaceae, subfamily Malvoideae) were reconstructed using sequences of the internal transcribed spacer (ITS) region of the 18S-26S nuclear ribosomal repeat. Newly generated sequences were combined with those available from previous generic level studies to assess the current circumscription of the tribe. monophyly of some of the larger genera, and character evolution within the tribe. The ITS data do not support monophyly of most generic alliances as presently defined, nor do the data support monophyly of several Malveae genera. Two main well-supported clades were recovered, which correspond primarily to taxa that either possess OF lack involucral bracts, respectively. Chromosomal evolution has been dynamic in the tribe with haploid numbers varying from n = 5 to 36. Aneuploid reduction, hybridization, and/or polyploidization have been important evolutionary processes in this group.

URL:<Go to ISI>://000228126800003
DOI:10.3732/Ajb.92.4.584
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith