Trilobata: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this species. 

	large shrubs, 1-2 m high; NOT [low shrubs]
	plant much branched; NOT [plant with a single stem]
	leaflets not over 3 cm long; NOT [leaflets 3-10 cm long]
	flowering before leaves appear; NOT [leafing before flowering]
	fruit red; NOT [fruit white]
	fruit hairy; NOT [fruit smooth]

Anacardiaceae: Answers to key questions in Budd's Flora  leading to this family. 

	shrubs or trees; NOT [herbs]
	plants NOT climbing
	plants with normal leaves
	leaves alternate; NOT [leaves opposite]
	leaves compound; NOT [leaves simple]
	leaflets NOT leathery
	leaflets NOT spinose-tipped
	flowers dioecious or perfect; NOT [flowers perfect]
	flowers with two floral rings, and with each petal distinct from the others
	petals 5; NOT [petal (standard) solitary]
	stamens 5; NOT [stamens numerous]
	fruit NOT a legume