Succulent shrub or often a distinct small tree, up to 3.5 m. This subspecies is particularly tree-like with a central stem or several trunk-like branches from the base. The plants are densely branched and rebranched. Spine shields are often joined to form a horny ridge along the angles. Flowers unisexual, yellow, solitary above the spines. Fruit a capsule, c. 5 mm, exserted on a recurved pedicel.
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.(2016). Flora of Zimbabwe: Species information: Euphorbia griseola subsp. mashonica. http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=136000, retrieved 26 August 2016