@article{fdi:010037594, title = {{C}ontribution to the study of {O}rchidaceae from {M}adagascar, the {C}omoro islands and the {M}ascarenes. {XXXV}. {D}escription of a new {O}eceoclades from {M}adagascar, and notes on three new genera for the {M}ascarenes}, author = {{B}osser, {J}ean}, editor = {}, language = {{ENG}}, abstract = {{O}eceoclades callmanderi {B}osser, new endemic species from the {NE} of {M}adagascar, is described. {I}t differs from {O}. flavescens {B}osser and {M}orat by its elongated cylindric pseudobulbs and by the shape of the lip and from {O}. sclerophylla ({R}chb. f.) {G}aray and {P}.{T}aylor by the unifoliate pseudobulbs and by the larger, morphologicaly different flowers. {T}hree genera, {H}olothrix {L}indl., {A}erangis {R}chb.f. and {G}astrodia {R}.{B}r., are new for the {M}ascarenes. {T}he species of {H}olothrix is {H}. villosa {L}indl. from {S}outh {A}frica; the species of {A}erangis is {A}. punctata {J}.{S}tewart from {M}adagascar. {A} nomenclatural clarification is provided about the identity of this taxon and of {A}ngraecum curnowianum. {T}he species of {G}astrodia is described as new: {G}. similis {B}osser, related to {G}. africana {K}raenzl. from the {C}ameroun, {G}. abscondita {J}.{J}.{S}m. and {G}. verrucosa {B}lume from {I}ndonesia, differing by the morphology of the lip.}, keywords = {{O}rchidaceae ; {O}eceoclades ; {H}olothrix ; {A}erangis ; {A}ngraecum ; {G}astrodia ; {M}adagascar ; the {M}ascarenes ; new species}, booktitle = {}, journal = {{A}dansonia}, volume = {28}, numero = {1}, pages = {45--54}, ISSN = {1280-8571}, year = {2006}, URL = {https://www.documentation.ird.fr/hor/fdi:010037594}, }