Euphorbia theriaca var. spurca M.C.Johnst.

Stems 5–25 cm. Leaf blade 3–7.1 × 1–3.5 mm. Cyathia usually solitary at distal nodes, rarely clustered on short, axillary branches; peduncle 0.6–1.3 mm. Involucre turbinate-campanulate to hemispheric, 1–1.8 × 0.9–1.4 mm; glands short-stipitate, subcircular, 0.2–0.5 × 0.2–0.5 mm; appendages present, occasionally rudimentary. Staminate flowers 20–36. Capsules 1.4–1.6 × 1.5–1.7 mm. Seeds with 3–4(–5) prominent transverse ridges.