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Repeated parallel losses of inflexed stamens in Moraceae: phylogenomics and generic revision of the tribe Moreae and the reinstatement of the tribe Olmedieae (Moraceae)

  • Elliot M. Gardner
    ,
  • Mira Garner
    ,
  • Robyn S. Cowan
    ,
  • Steven Dodsworth
    ,
  • Niroshini Epitawalage
    ,
  • Deby Arifiani
  • Florida International University
    ,
  • Morton Arboretum
    ,
  • Singapore Botanic Gardens
    ,
  • University of British Columbia
    ,
  • Royal Botanic Gardens, Kew
    ,
  • Indonesian Institute of Sciences
Research Output: Contribution to journal Article Peer-review

Open access

Abstract

We 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.

Publication Information

Output type

Research Output: Contribution to journal Article Peer-review

Original language

English

Pages from-to (Number of pages)

Pages 946-988 (43 pages)

Journal (Volume, Issue Number)

Taxon (Volume 70, Issue 5)

Publication milestones

  • Accepted/In press - 23/02/2021
  • Published - 06/07/2021

Publication status

Published - 06/07/2021

ISSN

0040-0262

External Publication IDs

  • handle.net: 10547/625071
  • Scopus: 85109290486

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