1) Genus curtisia 2) Rosid dicot genus 
Curtisia dentata (commonly known as the Assegai tree or Cape Lancewood, Assegaai, Umgxina, Umagunda) is a flowering tree from Southern Africa. It is the sole species in genus Curtisia, which was originally classed as a type of `Dogwood` (Cornaceae), but is now placed in its own unique family Curtisiaceae. It is increasingly popular as an ornamen.....
(from the article `Cornales`) ...japonica), are chiefly ornamental; the European Cornus mas (cornelian cherry), also an ornamental, has edible fruit; others, such as Cornus ...
[n] - a large evergreen tree of South Africa
genus Curtisia noun a large evergreen tree of South Africa