Dendrobium macranthum

{{Short description|Species of orchid}}

{{Speciesbox

| image =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite IUCN |last1=Chadburn |first1=H. |last2=Schuiteman |first2=A. |year=2020 |title=Dendrobium macranthum |volume=2020 |page=e.T126495761A126503686 |doi=10.2305/IUCN.UK.2020-2.RLTS.T126495761A126503686.en |access-date=10 March 2024}}

| taxon = Dendrobium macranthum

| authority = A.Rich.

|synonyms_ref ={{cite web |title=Dendrobium macranthum A.Rich. |url=https://powo.science.kew.org/taxon/urn%3Alsid%3Aipni.org%3Anames%3A627919-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=11 March 2024}}

| synonyms =

• Dendrobium arachnostachyum Rchb.f.
• Callista macrantha (A.Rich.) Kuntze
• Dendrobium tokai var. crassinerve Finet
• Dendrobium pseudotokai Kraenzl.
• Durabaculum macranthum (A.Rich.) M.A.Clem. & D.L.Jones
• Sayeria pseudotokai (Kraenzl.) Rauschert

}}

Dendrobium macranthum is a species of orchid native to New Caledonia, the Santa Cruz Islands, Vanuatu, and Wallis and Futuna. It was described by French botanist Achille Richard in 1834.