Euphorbia parvicyathophora

{{Short description|Species of flowering plant}}

{{Speciesbox

|image = Euphorbia parvicyathophora2 ies.jpg

|status = CR

|status_system = IUCN3.1

|status_ref = {{cite iucn |author=Haevermans, T. |date=2004 |title=Euphorbia parvicyathophora |volume=2004 |page=e.T44414A10899895 |doi=10.2305/IUCN.UK.2004.RLTS.T44414A10899895.en |access-date=15 November 2021}}

| status2 = CITES_A1

| status2_system = CITES

| status2_ref = {{Cite web|title=Appendices {{!}} CITES|url=https://cites.org/eng/app/appendices.php|access-date=2022-01-14|website=cites.org}}

|genus = Euphorbia

|species = parvicyathophora

|authority = Rauh

}}

Euphorbia parvicyathophora is a species of plant in the family Euphorbiaceae. It is endemic to South-West Madagascar. The Euphorbia parvicyathophora typically lives in an environment that is of rocky material; particularly, limestone is its primary locale of habitation. Euphorbia parvicyathophora grows within the soil pockets of cavernous limestone along the southern bank of the Fiherenana river, a river in the southern part of Madagascar, which flows to the Indian Ocean.{{citation needed|date=April 2018}} Euphorbia parvicyathophora is threatened by habitat loss.