@article{fdi:010066666, title = {{T}axonomy of {A}tlantic {C}entral {A}frican orchids 5. {A} new species of {A}ngraecum sect. {C}onchoglossum ({O}rchidaceae, {A}ngraecinae) from {G}abon and {C}ameroon}, author = {{J}ecmenica, {V}. and {D}roissart, {V}incent and {N}oret, {N}. and {S}tevart, {T}.}, editor = {}, language = {{ENG}}, abstract = {{R}ecent field inventories and taxonomic research in {C}entral {A}frica have resulted in the discovery of many new orchid species. {F}ive specimens of an apparently new {A}ngraecum species were collected in {G}abon and {C}ameroon. {T}hey stand out for their hanging habit and short zig-zag stem. {M}orphology of leaves and habit is somewhat comparable to {A}. cultriforme and {A}. stolzii, two species from {E}ast {A}frica. {F}lowers of the novelty share the general morphology of {A}. pyriforme from which the new species is distinguished by being smaller and with a different lip-spur ratio. {H}ere we show that these five specimens represent a new species, described here as {A}ngraecum lanceolatum. {T}he distinguishing traits include thin lanceolate leaves, convolute distally, with a rhombic lip shape. {D}ichotomous key to four {C}entral {A}frican species of sect. {C}onchoglossum and a table of the diagnostic characters of the seven related {C}ontinental {A}frican {A}ngraecum taxa are included here. {A} preliminary assessment of the conservation status of {A}. lanceolatum is provided, using the {IUCN} {R}ed {L}ist {C}ategories and {C}riteria.}, keywords = {{A}ngraecoid ; {C}ampo-{M}a'an {N}ational {P}ark ; {I}vindo {N}ational {P}ark ; {M}onts de {C}ristal {N}ational {P}ark ; {IUCN} {R}ed {L}ist {C}ategories and {C}riteria ; {GABON} ; {CAMEROUN}}, booktitle = {}, journal = {{P}hytokeys}, volume = {61}, numero = {}, pages = {61--71}, ISSN = {1314-2011}, year = {2016}, DOI = {10.3897/phytokeys.61.7017}, URL = {https://www.documentation.ird.fr/hor/fdi:010066666}, }