Very like Euphorbia caeladenia, but differing from it by the annual habit, in having all the leaves linear and irregularly sharply denticulate, and in having the seeds obovoid-subglobose, 3 x 2 x 2 mm, with a prominent narrowly conical caruncle 2.5-3 mm long.

Fl. & Fr. Per.: not recorded for Baluchistan, but further west from March to May.

Holotype: USSR, Nakhichevan [Nachitshevan] ASSR, Nakhichevan, 13 May 1923, Grossheim s.n. (LE).

Habitat details not recorded for Baluchistan, but further west it occurs in deserts, on sandy gravel and on loess-banks in dry river-beds from sea-level up to 2000'/600 in; Distribution: Egypt. Sinai, Israel, Jordan, Saudi Arabia, Iraq, S. U.S.S.R. To be expected in Iran.

The disjunct distribution of this species may reflect lack of collecting in the right localities during a short season.