Repeated parallel losses of inflexed stamens in Moraceae: phylogenomics and generic revision of the tribe Moreae and the reinstatement of the tribe Olmedieae (Moraceae)
AuthorsGardner, Elliot M.
Cowan, Robyn S.
Baker, William J.
Zerega, Nyree JC
Hipp, Andrew L.
Case Western Reserve University
Singapore Botanic Gardens
University of British Columbia
Royal Botanic Gardens, Kew
University of Bedfordshire
Center for Plant Conservation Botanic Gardens, Indonesia
Chicago Botanic Garden
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AbstractWe present a densely sampled phylogenomic study of the mulberry tribe (Moreae, Moraceae), an economically important clade with a global distribution, revealing multiple losses of inflexed stamens, a character traditionally used to circumscribe Moreae. Inflexed stamens facilitate ballistic pollen release and are associated with wind pollination, and the results presented here suggest that losses of this character state may have evolved repeatedly in Moraceae. Neither Moreae nor several of its major genera (Morus, Streblus, Trophis) were found to be monophyletic. A revised system for a monophyletic Moreae is presented, including the reinstatement of the genera Ampalis, Maillardia, Taxotrophis, and Paratrophis, and the recognition of the new genus Afromorus. Pseudostreblus is reinstated and transferred to the Parartocarpeae, and Sloetiopsis is reinstated and transferred to the Dorstenieae. The tribe Olmedieae is reinstated, replacing the Castilleae, owing to the reinstatement of the type Olmedia and its exclusion from Moreae. Streblus s.str. is excluded from Moreae and transferred to the Olmedieae, which is characterized primarily by involucrate inflorescences without regard to stamen position. Nine new combinations are made.
CitationGardner EM, Garner M, Cowan R, Dodsworth S, Epitawalage N, Arifiani D, Baker WJ, Forest F, Maurin O, Zerega NJC, Monro A, Hipp AL (2021) 'Repeated parallel losses of inflexed stamens in Moraceae: phylogenomics and generic revision of the tribe Moreae and the reinstatement of the tribe Olmedieae (Moraceae)', Taxon, 70 (5), pp.946-988.
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