Euphorbia serratifolia S.Carter

Annual herb, with spreading branches suberect to 25 cm. high, the whole plant often tinged red, very sparsely covered with long spreading hairs, the upper side of the branches in addition with shorter adpressed hairs.. Leaves ovate to 18 × 12 mm., base very obliquely subcordate, apex subacute, margin distinctly toothed, with the teeth apparently gland-tipped; petiole to 2 mm. long; stipules 0.75 mm. long, deeply divided into 2–3 linear teeth.. Cyathia solitary, on peduncles to 2.5 mm. long, terminal and pseudoaxillary on leafy shoots, 1 × 1 mm., with cup-shaped involucres; glands 4, transversely elliptic, ± 0.3 mm. wide, red, with obvious, deeply 3–6-lobed pink or red appendages; involucral lobes broadly triangular, margin ciliate.. Male flowers: bracteoles linear, deeply divided; stamens 1 mm. long.. Female flower: ovary pedicellate; styles 0.3 mm. long, spreading, bifid almost to the base.. Capsule exserted on a reflexed pedicel 1.25 mm. long, 3-lobed, with broadly truncate base, 1.5 × 2 mm.. Seeds ovoid, 1 × 0.75 mm., reddish brown, with 3 distinct transverse ridges.