1) Genus panax 2) Ginseng genus 3) Kind of ginseng 4) Rosid dicot genus 
Panax is a genus of trees and shrubs belonging to the family Araliaceae. They bear (usually) umbels of five-petalled flowers, and digitately or pinnately compound leaves.
[n] - perennial herbs of eastern North America and Asia having aromatic tuberous roots: ginseng
genus Panax noun perennial herbs of eastern North America and Asia having aromatic tuberous roots: ginseng