Shifts in diversification rate with the origin of angiosperms

TitleShifts in diversification rate with the origin of angiosperms
Publication TypeJournal Article
Year of Publication1994
AuthorsSanderson MJ, Donoghue MJ
JournalScience
Volume264
Pagination1590-1593
ISSN00368075
KeywordsBiological Sciences, General Science
Abstract

The evolutionary success of flowering plants has been attributed to key innovations that originated at the base of that clade. Maximum likelihood methods were used to assess whether branching rate increases were correlated with the origin of these traits. Four hypotheses for the basal relationships of angiosperms were examined by methods that are robust to uncertainty about the timing of internal branch points. Recent hypotheses based on molecular evidence, or on a combination of molecular and morphological characters, imply that large increases in branching rate did not occur until after the putative key innovations of angiosperms had evolved.

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