Villosa: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 

	northern plants; NOT [mountain plants]
	stems erect; NOT [stems twining or reclining]
	leaves all separate; NOT [upper leaves connate-perfoliate]
	inflorescence axillary; NOT [inflorescence a terminal cluster]
	flowers in pairs
	bracts at base of flowers thin or minute; NOT [bracts at base of flowers large, broad, and leaf-like, at least in fruit]
	corolla 2-lipped; NOT [corolla almost regular]
	flowers yellow; NOT [flowers pink or white]
	ovaries completely fused; NOT [ovaries only partly united], NOT [ovaries separate]
	berries solitary (as a result of ovary fusion of paired flowers); NOT [berries partially fused], NOT [berries separate in pairs]
	berries bluish-black; NOT [berries red or yellow]

Lonicera: Answers to key questions in Budd's Flora  and Flora of Alberta leading to this genus. 

	erect or twining shrubs; NOT [trees], NOT [low, slender, trailing evergreen shrub]
	leaves simple; NOT [leaves pinnately compound]
	leaves entire or undulate; NOT [leaves toothed or lobed]
	inflorescence axillary as well as terminal; NOT [inflorescence all terminal]
	flowers usually in pairs; NOT [flowers in clusters]
	calyx with short lobes; NOT [calyx with 5 linear lobes]
	flowers often slightly irregular; NOT [flowers regular]
	flowers tubular or funnelform; NOT [flowers campanulate], NOT [corolla rotate]
	flowers with 5 stamens; NOT [flowers with 4 stamens]
	fruit a berry with 2 or more seeds; NOT [fruit a capsule], NOT [fruit a drupe containing a flattened stone]
	fruit a red or black berry; NOT [fruit a white or purplish berry]

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

	shrubs; NOT [herbs], NOT [trees]
	large shrubs; NOT [dwarf shrubs]
	leaves opposite or whorled; NOT [leaves alternate]
	stems bearing few to several flowers; NOT [stems bearing a solitary flower]
	stamens 5; NOT [stamens 5-10], NOT [stamens 2]
	ovary inferior; NOT [ovary superior]
	fruit fleshy; NOT [fruit a capsule]