Reinstatement of the endemic New Caledonian genus Thiollierea Montrouz. (Rubiaceae) necessitated by the polyphyly of Bikkia Reinw. as currently circumscribed

[摘要] ThegenusBikkiaReinw.ascurrentlycircumscribedcomprises20speciesdistributedthroughoutthewesternPacificOcean,withacenterofdiversityinNewCaledonia(11species,allbutoneendemic).TworecentphylogeneticstudiesbasedrespectivelyonmolecularandmorphologicaldatahaveshownthatBikkias.l.ispolyphyletic,comprisingtwolineages:coastalBikkiafromthewesternPacific(includingthetypespeciesofthegenus,B.tetrandra(L.f.)A.Rich.)andendemicNewCaledonianBikkia,asituationthatnecessitatestheresurrectionofthegenericnameThiolliereaMontrouz.,theoldestavailableforthesecondofthesegroups.AnemendeddescriptionisprovidedforThiolliereaaswellasasummaryofthefeaturesthatdistinguishitfromBikkias.s.,andsevennewcombinationsareproposed(T.kaalaensis(N.Halléamp;Jérémie)Barrabéamp;Mouly,T.lenormandii(N.Halléamp;Jérémie)Barrabéamp;Mouly,T.neriifolia(Brongn.)Barrabéamp;Mouly,T.pachyphylla(Guillaumin)Barrabéamp;Mouly,T.parviflora(Schltr.amp;K.Krause)Barrabéamp;Mouly,T.retusiflora(Brongn.)Barrabéamp;MoulyandT.tubiflora(Brongn.)Barrabéamp;Mouly).

[学科分类] 植物学

[关键词] Rubiaceae;Bikkia;Thiollierea;New Caledonia;endemic genus;polyphyly;taxonomic reinstatement;new combinations;Rubiaceae;Bikkia;Thiollierea;Nouvelle-Calédonie;genre endémique;polyphylie;rétablissement taxonomique;combinaisons nouvelles