Tatarica: Answers to key questions in Budd's Flora and Vascular Flora of Alberta: An Illustrated Guide leading to this species.  

	garden escape
	erect shrubs; NOT [somewhat twining or sprawling shrub]
	pith of branches not filling the entire core
	pith of branches brown; NOT [pith of branches white]
	leaves not connate-perfoliate
	leaves widest below the middle; NOT [leaves widest above the middle]
	leaf tips rounded to broadly pointed; NOT [leaf tips tapered to a slender point]
	flowers in pairs in leaf axils; NOT [flowers in clusters cupped by 2 fused leaves at stem tips]
	bracts inconspicuous; NOT [bracts showy]
	bracts 2; NOT [bracts 4]
	bracts slender; NOT [bracts oval]
	bracts thin or minute; NOT [bracts large, broad, and leaf-like]
	bracts <1 cm long; NOT [bracts 1-2 cm long]
	bracts green; NOT [bracts purplish]
	flowers pink or white
	ovaries of the 2 flowers partially fused; NOT [ovaries of the two flowers completely fused]
	berries of the 2 flowers partially fused; NOT [berries of the 2 flowers completely fused into a single berry], NOT [berries of the 2 flowers completely separate]
	berries 5-6 mm long; NOT [berries 8-10 mm long]
	berries red to yellow, orange, or reddish-orange

Lonicera: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. Not all the answers lead to all species this genus, but they do all lead to Tatarica.

	plants erect or twining shrubs; NOT [plants low, slender, trailing, evergreen shrub]
	leaves simple, at most deeply lobed; NOT [leaves pinnately compound]
	leaves with entire or wavy margins; NOT [leaves with finely toothed margins]
	inflorescence axillary as well as terminal; NOT [inflorescence all terminal]
	flowers mostly in pairs; NOT [flowers in clusters]
	calyx with short lobes; NOT [calyx with 5 linear lobes]
	flowers mostly irregular; NOT [flowers more or less regular]
	corolla funnelform or tubular; NOT [corolla campanulate], NOT [corolla rotate]
	flowers with 5 stamens; NOT [flowers with 4 stamens]
	fruit a berry; NOT [fruit a capsule], NOT [fruit a drupe containing a flattened stone]
	fruit red, yellow or black; NOT [fruit white or purplish]

Caprifoliaceae: Answers to key questions in Budd's Flora  leading to this family. Not all the answers lead to all genera this family, but they do all lead to Lonicera.

	large shrubs; NOT [dwarf shrubs], NOT [trees], NOT [herbs]
	leaves opposite or whorled; NOT [leaves alternate]
	stems bearing few to several flowers; NOT [stems bearing a solitary flower]
	flowers with two floral rings
	petals wholly or partly united forming a tube or bell
	stamens 5; NOT [stamens 2], NOT [stamens more than 5]
	ovary inferior; NOT [ovary superior]
	fruit fleshy; NOT [fruit a capsule]