1) Dicot genus 2) Genus holarrhena 3) Magnoliopsid genus 
Holarrhena is a genus of plant in the Apocynaceae family first described as a genus in 1810. It is native to tropical and southern Africa as well as south, east, and southeast Asia. {As of|2013|August} the World Checklist of Selected Plant Families recognises 5 species: ...
[n] - genus of deciduous trees and shrubs of tropical Africa and Asia