Origin and Habitat: Ankarana park, Ambondromifehy, Province of Antsirananak, Madagascar (Western Indian Ocean).

• Euphorbia nadiae Houyelle

Description: Euphorbia nadiaeSN|15541]]SN|35234]] is a geophyte, dwarf species. It forms a caudex and has very beautiful brown leaves, but the flowers remain tiny. This plant, formerly known as Euphorbia purple leaves, Euphorbia labatiiSN|35234]]SN|31009]] red leaves or Euphorbia labatiiSN|31009]]SN|31009]] type 2, has been accepted under the name of Euphorbia nadiaeSN|31009]]SN|35234]] since Sebastien houyelle described it. His cyathia (flowers) do not look like those of Euphorbia labatii but rather to Euphorbia moratiiSN|35234]]SN|15541]].
Derivation of specific name: The specific epithet honours Nadia Raheliarisoa.

Bibliography: Major references and further lectures
1) Euphorbia labatii in: Forums of Au Cactus Francophone Web: https://www.cactuspro.com/forum/read.php?1,659851,659851
2) Euphorbia nadiae Houyel, International Plant Names Index web; http://www.ipni.org/ipni/simplePlantNameSearch.do?find_wholeName=Euphorbia+nadiae&output_format=normal&query_type=by_query&back_page=query_ipni.html