Euphorbia acanthothamnos is a species of shrub in the family Euphorbiaceae. They have a self-supporting growth form. They have simple, broad leaves and dry fruit. Flowers are visited by Macrophya teutona, Bibio leucopterus, Marmalade hoverfly, and Lasioglossum marginatum. Individuals can grow to 0.35 m.
EOL has data for 27 attributes, including: