Compilation
Euphorbia maleolens

Dwarf perennial with an evil smelling latex; rootstock tuberous, thick, tapering, merging into the stem below ground to form a body to c. 20 cm long, 3–8 cm in diameter, with c. 2.5 cm of the stem above ground, rarely divided into 2 or more; stem apex truncate, covered with prominent rhomboid tubercles 10–15 × 5–12 mm; branches radiating and ascending from around the apical growing point, to 8–20 cm long, 1 cm in diameter with small prominent, white-tipped tubercles.Leaves clustered towards branch tips, to 10 × 2 mm, linear-lanceolate, entire, longitudinally folded, sessile.Cyathia produced towards branch tips, with peduncles to 8–12 mm long, persistent and becoming woody; bracts 4–6, scale-like, deciduous.Cyathia c. 2.5 × 3.5 mm with cup-shaped involucres; glands widely separated, c. 1.7 × 2 mm, subquadrate, dark green, outer margins with 2–4 slender, subulate, yellow processes 1–2 mm long; lobes c. 1 × 1.5 mm, transversely oblong, toothed, ciliate.Male flowers: bracteoles 3 mm long, laciniate; stamens 4.5 mm long.Female flower: styles united for 1.5 mm, stigmas stout, recurved.Capsule c. 5 × 6 mm, obtusely lobed, green with red-brown lines along the sutures, sessile.Seeds c. 3.2 × 2.5 mm, ovoid with truncate base and pointed apex, smooth.