Synonymy
Euphorbia microsphaera Boiss., Diagn. Pl. Orient. 7: 87. 1846
- ≡Tithymalus microsphaerus (Boiss.) Klotzsch & Garcke in Abh. Königl. Akad. Wiss. Berlin 1859: 74. 1860
- =Euphorbia mohammerensis Boiss. in Candolle, Prodr. 15(2): 118. 1862, nom. illeg.
- =Euphorbia subtuberculata C. A. Mey. ex Boiss. in Candolle, Prodr. 15(2): 118. 1862
- =Euphorbia unilateralis Blakelock in Kew Bull. 6: 453. 1952 ["1951"]
- ≡Tithymalus unilateralis (Blakelock) Holub in Folia Geobot. Phytotax. 12: 428. 1977