| Noun | 1. | genus Nuytsia - one species dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs family Loranthaceae, Loranthaceae, mistletoe family - in some classification includes Viscaceae: parasitic or hemiparasitic shrublets or shrubs or small trees of tropical and temperate regions; attach to hosts by haustoria fire tree, flame tree, Nuytsia floribunda, Christmas tree - a terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses |