Acokanthera

Acokanthera is a genus of flowering plants in the family Apocynaceae. It comprises 5 species and is generally restricted to Africa, although Acokanthera schimperi also occurs in Yemen.[1] Its sap contains the deadly cardiotoxic glycoside ouabain. The sap is among the most commonly used in arrow poisons,[2][3] including those used for poaching elephant.[4]

Species[1]
Acokanthera laevigata Kupicha – Tanzania, Malawi
Acokanthera oblongifolia (Hochst.) Benth. & Hook.f. ex B.D.Jacks. – Mozambique, South Africa
Acokanthera oppositifolia (Lam.) Codd – widespread from Cape Province north to Zaire and Tanzania
Acokanthera rotundata (Codd) Kupicha – Zimbabwe, Swaziland, eastern South Africa
Acokanthera schimperi (A.DC.) Schweinf. – Yemen, Eritrea, Djibouti, Ethiopia, Somalia, Socotra, Kenya, Tanzania, Rwanda, Zaire