Calathea ischnosiphonoides

{{Short description|Species of flowering plant}}

{{speciesbox

|status = EN

|status_system = IUCN3.1

|status_ref = {{cite iucn |author=Muriel, P. |author2=Pitman, N. |date=2004 |title=Calathea ischnosiphonoides |volume=2004 |page=e.T45638A11009065 |doi=10.2305/IUCN.UK.2004.RLTS.T45638A11009065.en |access-date=16 November 2021}}

|genus = Calathea

|species = ischnosiphonoides

|authority = H.Kenn.

}}

Calathea ischnosiphonoides is a species of plant in the Marantaceae family. It is endemic to Ecuador. Its natural habitat is subtropical or tropical moist montane forests.