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Article: Contrasting floral biology of Artabotrys species (Annonaceae): Implications for the evolution of pollinator trapping

TitleContrasting floral biology of Artabotrys species (Annonaceae): Implications for the evolution of pollinator trapping
Authors
KeywordsAnnonaceae
Artabotrys
circadian pollinator trapping
Curculionidae
honey bee
Issue Date2020
PublisherWiley-Blackwell Publishing Asia. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1442-1984
Citation
Plant Species Biology, 2020, Epub 2020-04-27 How to Cite?
AbstractArtabotrys comprises a species‐poor early divergent grade (EDG) and a main species‐rich clade (“main Artabotrys clade,” MAC). All members of the MAC exhibit a remarkably well‐conserved floral Bauplan characterized by a tightly enclosed floral chamber with an elaborate rim between the inner petal blade and claw. Conversely, EDG resembles the sister genus Xylopia in lacking the inner petal rim, with one species (Artabotrys brachypetalus ) bearing petals that lack the distinction between blade and claw altogether. The floral phenology and pollination ecology of two exemplar species—Artabotrys brachypetalus from the EDG and Artabotrys blumei from the MAC—are compared, including assessment of effective pollinators and their activity patterns, scent chemistry and thermogenesis. Our study revealed that Artabotrys blumei exhibits abbreviated anthesis (c . 27 hr), with a floral phenology and morphology that are clearly consistent with pollinator trapping, and may be pollinated by small beetles. Artabotrys brachypetalus has a typical anthetic duration (c. 45 hr), lacks a pollinator trapping mechanism, and is pollinated by honey bees and curculionid beetles. The “xylopioid” traits of the EDG are likely to be plesiomorphic, whereas the tightly enclosed floral chamber is likely to be apomorphic for the MAC and functionally significant in trapping pollinators.
Persistent Identifierhttp://hdl.handle.net/10722/283004
ISSN
2019 Impact Factor: 1.828
2015 SCImago Journal Rankings: 0.474

 

DC FieldValueLanguage
dc.contributor.authorCHEN, J-
dc.contributor.authorLIU, MF-
dc.contributor.authorSaunders, RMK-
dc.date.accessioned2020-06-05T06:23:57Z-
dc.date.available2020-06-05T06:23:57Z-
dc.date.issued2020-
dc.identifier.citationPlant Species Biology, 2020, Epub 2020-04-27-
dc.identifier.issn0913-557X-
dc.identifier.urihttp://hdl.handle.net/10722/283004-
dc.description.abstractArtabotrys comprises a species‐poor early divergent grade (EDG) and a main species‐rich clade (“main Artabotrys clade,” MAC). All members of the MAC exhibit a remarkably well‐conserved floral Bauplan characterized by a tightly enclosed floral chamber with an elaborate rim between the inner petal blade and claw. Conversely, EDG resembles the sister genus Xylopia in lacking the inner petal rim, with one species (Artabotrys brachypetalus ) bearing petals that lack the distinction between blade and claw altogether. The floral phenology and pollination ecology of two exemplar species—Artabotrys brachypetalus from the EDG and Artabotrys blumei from the MAC—are compared, including assessment of effective pollinators and their activity patterns, scent chemistry and thermogenesis. Our study revealed that Artabotrys blumei exhibits abbreviated anthesis (c . 27 hr), with a floral phenology and morphology that are clearly consistent with pollinator trapping, and may be pollinated by small beetles. Artabotrys brachypetalus has a typical anthetic duration (c. 45 hr), lacks a pollinator trapping mechanism, and is pollinated by honey bees and curculionid beetles. The “xylopioid” traits of the EDG are likely to be plesiomorphic, whereas the tightly enclosed floral chamber is likely to be apomorphic for the MAC and functionally significant in trapping pollinators.-
dc.languageeng-
dc.publisherWiley-Blackwell Publishing Asia. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1442-1984-
dc.relation.ispartofPlant Species Biology-
dc.rightsPreprint This is the pre-peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. Postprint This is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.-
dc.subjectAnnonaceae-
dc.subjectArtabotrys-
dc.subjectcircadian pollinator trapping-
dc.subjectCurculionidae-
dc.subjecthoney bee-
dc.titleContrasting floral biology of Artabotrys species (Annonaceae): Implications for the evolution of pollinator trapping-
dc.typeArticle-
dc.identifier.emailSaunders, RMK: saunders@hku.hk-
dc.identifier.authoritySaunders, RMK=rp00774-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/1442-1984.12273-
dc.identifier.scopuseid_2-s2.0-85084133770-
dc.identifier.hkuros310135-
dc.identifier.volumeEpub 2020-04-27-
dc.publisher.placeAustralia-

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