Définitions
1.NounAny conifer tree from one of three closely related genera in the subfamily Callitroideae of the cypress family Cupressaceae:
Callitris, of Australia
Actinostrobus, of Australia
Widdringtonia, of Southern Africa
2.NounCallitris, of Australia
3.NounActinostrobus, of Australia
4.NounWiddringtonia, of Southern Africa