@article{fdi:010070883, title = {{C}raterispermum capitatum and {C}. gabonicum ({R}ubiaceae): two new species from the {L}ower {G}uinean and {C}ongolian {D}omains}, author = {{T}aedoumg, {H}. and {S}onke, {B}. and {H}amon, {P}erla and {D}e {B}lock, {P}.}, editor = {}, language = {{ENG}}, abstract = {{C}raterispermum capitatum and {C}. gabonicum, two new species of {R}ubiaceae, are described from the {L}ower {G}uinea and {C}ongolian {D}omains. {D}etailed descriptions and distribution maps are provided for each species, their conservation status is assessed and their taxonomic affinities are discussed. {C}raterispermum gabonicum is unique within the genus because of the strong dimorphism in brevistylous and longistylous flowers and inflorescences. {W}e hypothesize that this species shows some form of dioecy. {T}he distribution of {C}. capitatum shows a wide disjunction: the species is present in the {L}ower {G}uinean and {C}ongolian {D}omains but absent from {G}abon and {S}outh {C}ameroon. {A}n identification key for the {C}raterispermum species present in the {L}ower {G}uinean and {C}ongolian {D}omains is given.}, keywords = {{R}ubiaceae ; {C}raterispermum ; {C}. capitatum ; {C}. gabonicum ; dimorphic ; inflorescences and flowers ; dioecy ; heterostyly ; {C}ameroon ; {G}abon ; {N}igeria ; {C}ongo ; {DR} {C}ongo ; {CAMEROUN} ; {GABON} ; {NIGERIA} ; {CONGO} ; {REPUBLIQUE} {DEMOCRATIQUE} {DU} {CONGO}}, booktitle = {}, journal = {{P}hytokeys}, numero = {83}, pages = {103--118}, ISSN = {1314-2011}, year = {2017}, DOI = {10.3897/phytokeys.83.13623}, URL = {https://www.documentation.ird.fr/hor/fdi:010070883}, }