@article{fdi:010083264, title = {{P}hylogenomic relationships and historical biogeography in the {S}outh {A}merican vegetable ivory palms ({P}hytelepheae)}, author = {{E}scobar, {S}. and {H}elmstetter, {A}. {J}. and {M}ontufar, {R}. and {C}ouvreur, {T}homas and {B}alslev, {H}.}, editor = {}, language = {{ENG}}, abstract = {{T}he palm tribe {P}hytelepheae form a clade of three genera and eight species whose phylogenetic relationships and historical biogeography are not fully understood. {B}ased on morphological similarities and phylogenetic relatedness, it has been suggested that {P}hytelephas seemannii and {P}hytelephas schottii are synonyms of {P}hytelephas macrocarpa, implying the existence of only six species within the {P}hytelepheae. {I}n addition, uncertainty in their phylogenetic relationships in turn results in blurred biogeographic history. {W}e inferred the phylogenomic relationships in the {P}hytelepheae by target-capturing 176 nuclear genes and estimated divergence times by using four fossils for time calibration. {W}e lastly explored the biogeographic history of the tribe by inferring its ancestral range evolution. {O}ur phylogenomic trees showed that {P}. seemannii and {P}. schottii are not closely related with {P}. macrocarpa, and therefore, support the existence of eight species in the {P}hytelepheae. {T}he ancestor of the tribe was widely-distributed in the {C}hoco, {M}agdalena, and {A}mazonia during the {M}iocene at 19.25 {M}a. {E}arly diversification in {P}hytelephas at 5.27 {M}a could have occurred by trans-{A}ndean vicariance after the western {A}ndes uplifted rapidly at similar to 10 {M}a. {O}ur results show the utility of phylogenomic approaches to shed light on species relationships and their biogeographic history.}, keywords = {{A}ncestral range evolution ; {A}ndean uplift ; {A}recaceae ; {P}hylogenomics ; {T}arget-sequence capture ; {EQUATEUR} ; {COLOMBIE} ; {PEROU} ; {PANAMA} ; {ANDES} ; {AMAZONIE} ; {CHOCO} ; {MAGDALENA}}, booktitle = {}, journal = {{M}olecular {P}hylogenetics and {E}volution}, volume = {166}, numero = {}, pages = {107314 [7 p.]}, ISSN = {1055-7903}, year = {2022}, DOI = {10.1016/j.ympev.2021.107314}, URL = {https://www.documentation.ird.fr/hor/fdi:010083264}, }