This article records new taxa of plants described during the year 2018, as well as other significant discoveries and events related to paleobotany that occurred in 2018.
Flowering plants Name Novelty Status Authors Age Unit Location Notes ImagesAlloberberis axelrodiiSp. novValidDoweldMiocene()A member of the family Berberidaceae; a replacement name for the previously invalidly published Mahonia sinuata Axelrod (1985), lacking holotype designation when published.Alloberberis caeruleomontanaNom. novValidDoweldMiocene()A member of the family Berberidaceae; a replacement name for Ilex sinuata Chaney & Axelrod (1959).Anacolosidites eosenonicusSp. novValidArai & Dias-BritoLate Cretaceous (Santonian)São Carlos FormationA pollen taxon, possibly a member of the family Loranthaceae.Aniba caucasicaNom. novValidDoweldPlioceneAbkhaziaA species of Aniba; a replacement name for Aniba longifolia Kolakovsky & Schakryl (1958).Anisodromum upchurchiiSp. novValidWang & DilcherEarly Cretaceous (Albian)Dakota Formation()A rosid described on the basis of fossil leaves.Annona nepalensisSp. novValidPrasad et al.MioceneChuria FormationA species of Annona.Araliaephyllum popoviiSp. novValidGolovnevaEarly Cretaceous (Albian)A member of Laurales described on the basis of fossil leaves.Archeampelos betulifoliaSp. novValidMoiseeva, Kodrul & HermanPaleoceneZeya–Bureya BasinA flowering plant described on the basis of fossil leaves, similar to leaves of members of the family Betulaceae.AustrovideiraGen. et sp. novValidRozefelds & PaceEarly OligoceneA member of Vitaceae. Genus includes new species A. dettmannae.Berberis miopannonicaNom. novValidDoweldMioceneA species of Berberis; a replacement name for Berberis lanceolata Givulescu (1985).Berberis notataNom. novValidDoweldMioceneA species of Berberis; a replacement name for Ilex ambigua Unger (1847) and Berberis ambigua Kovar-Eder & Kvaček (2004).BerryoxylonGen. et sp. novValidAwasthi, Mehrotra & ShuklaLate Miocene–early PlioceneCuddalore Sandstone FormationA fossil wood showing affinities with members of the genus Berrya. Genus includes new species B. cuddalorensis.BignonioxylonGen. et sp. novValidMoya & BreaLate PleistoceneArroyo Feliciano FormationA member of Bignoniaceae described on the basis of fossil wood. Genus includes new species B. americanum.Burretiodendron guangxiensisSp. novValidDong & Sun in Dong et al.OligoceneNingming FormationA species of Burretiodendron.Buxus pliosinicaSp. novValidHuang, Su & ZhouLate PlioceneSanying FormationA species of Buxus.Canarium guangxiensisSp. novValidHan & Manchester in Han et al.Late Oligocene to late MioceneErzitang Formation Foluo Formation Yongning FormationA species of CanariumCarlquistoxylon australeSp. novValidPujana et al.Early Cretaceous (late Albian)Cerro Barcino FormationA flowering plant of uncertain phylogenetic placement, described on the basis of fossil wood.Castanopsis guangxiensisSp. novValidHuang et al.Late OligoceneYongning FormationA species of Castanopsis.Castanopsis nanningensisSp. novValidHuang et al.Late OligoceneYongning FormationA species of Castanopsis.ChenocybusGen. et sp. novValidPoinarLate Cretaceous (Cenomanian)Burmese amberA flowering plant of uncertain phylogenetic placement. Genus includes new species C. allodapus.Chisochetonoxylon vastanensisSp. novValidShukla & MehrotaEarly EoceneCambay Shale FormationA member of the family Meliaceae described on the basis of fossil wood.Cladium transdnestrovicumNom. novValidDoweldMiocene (Serravallian)TransnistriaA species of Cladium; a replacement name for Cladium crassum Negru (1972), preoccupied by extant C. crassum (Thwaites) Kükenthal.Clerodendrum sarmatiacumNom. novValidDoweldMiocene()A species of Clerodendrum; a replacement name for Clerodendrum ovalifolium Baikovskaja in Kryshtofovich & Baikovskaja (1965).Cobbania pharaoSp. novValidCoiffard & MohrLate Cretaceous (Campanian)Quseir FormationA member of the family Araceae belonging or related to the subfamily Aroideae.ConcavistylonGen. et 2 sp. novValidManchester, Pigg & DevoreEarly Eocene to Middle MioceneLittle Butte Volcanic Series()A Trochodendraceae genus. Type species C. kvacekii Manchester, Pigg & Devore (2018) from Oregon C. wehrii Manchester et al. (2018) from Washington state and British Columbia was originally described as a second species of this genus, but subsequently it was transferred to the separate genus Paraconcavistylon.Craspedodromophyllum boguchanicumSp. novValidMoiseeva, Kodrul & HermanPaleoceneZeya–Bureya BasinA member of the family Betulaceae.CretaceoxylonGen. et sp. novValidPujana in Pujana et al.Late Cretaceous (Campanian)Santa Marta FormationAntarctica(James Ross Island)A eudicot of uncertain phylogenetic placement, described on the basis of fossil wood. Genus includes new species C. heteropunctatum.Cryptocaryoxylon lemniumSp. novValidMantzoukaEarly MioceneA member of the family Lauraceae.Cryptocaryoxylon lesbiumSp. novValidMantzoukaEarly MioceneA member of the family Lauraceae.CussoniophyllumNom. novValidDoweldLate Cretaceous (Cenomanian)A flowering plant described on the basis of fossil leaves; a replacement name for the invalidly published Cussoniphyllum Velenovský (1889). Genus includes "Cussonia" partita Velenovský (1882).Cyperus maiiNom. novValidDoweldMioceneA species of Cyperus; a replacement name for Dichostylis macrocarpa Mai (1987).Cyperus waltheriNom. novValidDoweldMioceneA species of Cyperus; a replacement name for Dichostylis minor Mai in Mai & Walther (1991).DakotanthusGen. et comb. novValidManchester et al.Cretaceous (late Albian to Cenomanian)Dakota Formation