@article{fdi:010061337, title = {{M}orphometrics and molecular phylogenetics of the continental {A}frican species of {A}ngraecum section {P}ectinaria ({O}rchidaceae)}, author = {{S}imo-{D}roissart, {M}. and {M}icheneau, {C}. and {S}onke, {B}. and {D}roissart, {V}incent and {P}lunkett, {G}. {M}. and {L}owry, {P}. {P}. and {H}ardy, {O}. {J}. and {S}tevart, {T}.}, editor = {}, language = {{ENG}}, abstract = {{B}ackground and aims - {R}ecent molecular studies suggest the polyphyly of {A}ngraecum and the unnaturalness of some of its sections, as exemplified by sect. {P}ectinaria, which has species in two well-separated clades, one in {M}adagascar and the other in continental {A}frica. {H}owever, species delimitation among the five continental {A}frican members remained problematic due to morphological variability. {I}n preparation for the taxonomic revision of this group, we used morphological and molecular data to re-assess the circumscription of each species, and to evaluate their monophyly and relationships to one another. {M}ethods - {A} total of 59 alcohol-preserved specimens were used to perform multivariate analyses on 37 morphological characters. {DNA} sequences from one nuclear ({ITS}-1) and five plastid regions (mat{K}, rps16, trn{L}-{F}, trn{C}-pet{N} and ycf1) were analyzed using {P}arsimony and {B}ayesian methods. {K}ey results - {T}he morphometric study revealed five distinct morphospecies that correspond to the concepts of the currently recognized species. {A}ngraecum doratophyllum and {A}. subulatum are the most distinct morphologically, whereas {A}. atlanticum, {A}. gabonense and {A}. pungens are most similar to one another. {P}hylogenetic analyses using a combined data set of the six markers yielded highly resolved, congruent trees with strong branch support. {T}he polyphyly of {A}. sect. {P}ectinaria is confirmed, with continental {A}frican members appearing to be most closely related to sect. {D}olabrifolia, found exclusively in {A}frica. {T}he multiple accessions of {A}. doratophyllum, {A}. gabonense, {A}. pungens and {A}. subulatum each formed a well-supported clade. {P}arsimony and {B}ayesian analyses placed {A}. atlanticum and {A}. pungens in a subclade within which samples of {A}. pungens were nested but those of {A}. atlantieum formed a grade. {T}hese two species can be easily distinguished morphologically by leaf dimensions and flower length, but broader sampling in continental {A}frica is needed to test whether individuals recognized as {A}. atlanticum might represent two distinct taxa.}, keywords = {{A}ngraecoid orchid ; {A}ngraecum ; {B}ayesian analyses ; continental {A}frica ; molecular phylogeny ; monophyly ; morphometric analyses ; parsimony ; sect. {P}ectinaria ; {AFRIQUE}}, booktitle = {}, journal = {{P}lant {E}cology and {E}volution}, volume = {146}, numero = {3}, pages = {295--309}, ISSN = {2032-3913}, year = {2013}, DOI = {10.5091/plecevo.2013.900}, URL = {https://www.documentation.ird.fr/hor/fdi:010061337}, }