Gymnosiphon cymosus

{{Short description|Species of flowering plant}}

{{speciesbox

| image =

| image_caption =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Brummitt, N. |date=2013 |title=Gymnosiphon cymosus |volume=2013 |page=e.T44392814A44399216 |doi=10.2305/IUCN.UK.2013-2.RLTS.T44392814A44399216.en |access-date=13 November 2021}}

| genus = Gymnosiphon

| species = cymosus

| authority = (Benth.) Benth. & Hook.f.

}}

Gymnosiphon cymosus is a flowering plant in the family Burmanniaceae.{{Cite web|url=http://www.tropicos.org/Name/4600011|title=Tropicos {{!}} Name - Gymnosiphon cymosus (Benth.) Benth. & Hook. f.|website=www.tropicos.org|access-date=2017-01-16}} It is found in Brazil, Colombia, Peru, Suriname, and Venezuela.{{Cite web|url=http://eol.org/pages/1118312/overview|title=Gymnosiphon cymosus - Overview - Encyclopedia of Life|website=Encyclopedia of Life|access-date=2017-01-16}}{{Cite web|url=http://www.discoverlife.org/mp/20q?search=Gymnosiphon+cymosus|title=Gymnosiphon cymosus - Ptychomeria cymosa -- Discover Life|website=www.discoverlife.org|access-date=2017-01-16}} They grow in lowland tropical rainforest, remaining subterranean until when conditions are favorable, coming up to flower and fruit.