Plants pubescent, annual herbs with prostrate branches up to 20 cm long, bases sometimes woody. Leaves subsessile, stipulate; stipules 0.5-1 mm long, linear, blades ovate, 4-9 cmm long, 2-4 mm wide Cyathia solitary, subsessile, clustered on very short, leafy, axilllary branches, scarcely 1 mm in diameter; glands minute, red, with minute pink appendages; styles minute, bifid almost to the base. Casules exserted on recurved pedicels; pedicels about 1.5 mm long, acutely 3-lobed, about 1.3 mm long and in diameter, pubescent; seeds oblong-conical, 4-angled, about 0.9 mm long and 0.6 mm wide, tranversely sharrlowly wrinkled, pinkish-grey.
There are two varieties: Euphorbia granulata var. granulata has fairly dense pubescence composed of short, stiff hairs. Euphorbia granulata var. glabrata has fairly sparse pubescence composed of long, spreading hairs.
Note: GBIF records include introduced and cultivated plants. Consequently, the distribution shown often differs from statements about a taxon's native distribution.