What is "discoclaoxylon"

Discoclaoxylon is a plant genus of the family Euphorbiaceae, first described in 1914. It is native to western and central Africa, including islands in the Gulf of Guinea.

1. Discoclaoxylon hexandrum (Müll.Arg.) Pax & K.Hoffm. - Ghana, Guinea, Ivory Coast, Sierra Leone, Nigeria, Cameroon, Gabon, Central African Republic, Equatorial Guinea, São Tomé, Congo-Brazzaville, Zaire, Uganda
2. Discoclaoxylon occidentale (Müll.Arg.) Pax & K.Hoffm. - São Tomé
3. Discoclaoxylon pedicellare (Müll.Arg.) Pax & K.Hoffm. - Bioko
4. Discoclaoxylon pubescens (Pax & K.Hoffm.) Exell - Annobón