Key to the species of Duboscia

1. Inflorescence reddish-brown in colour. Fruit with short, stellate hairs, which give it a velvety appearance at ×10 magnification. Short stellate hairs on twigs, denser than in D. viridiflora . Long straight hairs on twigs, occasionally falling off in older material. Petioles usually less than 1 cm long ......................................................... D. macrocarpa

- Inflorescence grey-green in colour. Fruit with very short hairs which give it a granular appearance at ×10 magnification. Short, stellate hairs on twigs, sparser than in D. macrocarpa . Long straight hairs on twigs absent. Petioles usually more than 1 cm long ....................................................................................................... D. viridiflora

1. Duboscia macrocarpa Bocq., Bocquillon (1866: 50) . Type:— GABON, 1862, G . Mann 1759 (holotype K!) .