benzoquinone

Voacanga is a genus of plants in the family Apocynaceae found in Africa, Southeast Asia, New Guinea, and Australia. As of August 2013 the World Checklist of Selected Plant Families recognises 13 species:

SpeciesVoacanga africana Stapf ex Scott-Elliot - tropical W + C + E + S Africa

Voacanga bracteata Stapf - tropical W + C Africa

Voacanga caudiflora Stapf - tropical W Africa

Voacanga chalotiana Pierre ex Stapf - tropical C Africa

Voacanga foetida (Blume) Rolfe -Java, Borneo, Sumatra, Philippines ...