Euphorbia geroldii

{{Short description|Species of flowering plant}}

{{Speciesbox

| image = Euphorbia geroldii.jpg

| status = CR

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Haevermans, T. |date=2004 |title=Euphorbia geroldii |volume=2004 |page=e.T44354A10895327 |doi=10.2305/IUCN.UK.2004.RLTS.T44354A10895327.en |access-date=17 November 2021}}

| genus = Euphorbia

| species = geroldii

| authority = Rauh

}}

File:Gerold's Spurge -- Euphorbia geroldii.jpg

Euphorbia geroldii commonly called Gerold's Spurge or Thornless Crown of Thorns{{Cite web|url=https://worldofsucculents.com/euphorbia-geroldii-thornless-crown-of-thorns/|title=Euphorbia geroldii (Thornless Crown of Thorns)|date=21 October 2019}} a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.