Syringa: Answers to key questions in Vascular Flora of Alberta: An Illustrated Guide leading to this genus. 

	shrubs; NOT [trees]
	leaves simple, undivided; NOT [leaves pinnately divided into 5-9 leaflets]
	flowers conspicuous, in showy pyramidal clusters; NOT [flowers tiny, inconspicuous]
	flowers with 4 petals; NOT [flowers without petals]
	fruits +/- woody capsules with winged seeds; NOT [fruits winged samaras]