Cilinodis: Answers to key questions in Budd's Flora and Flora of North America leading to this species. 

	plants perennial; NOT [plants annual]
	stems sharply angled; NOT [stems nearly terete]
	ocreae bases fringed with reflexed hairs and slender bristles; NOT [ocreae bases glabrous or scabrid]
	fruiting tepals without wings

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

	stems twining or sprawling; NOT [stems mostly erect, ascending, not twining]
	leaves mainly on the stem; NOT [leaves mostly basal]
	leaves broad; NOT [leaves linear, lanceolate or oblong], NOT [leaves round to kidney-shaped]
	leaves hastate at base or heart-shaped
	leaves with stipules that encircle/sheath the stem (ocreae); NOT [leaves without stipules sheathing the stem]
	ocreae never 2-lobed near the tip; NOT [ocreae 2-lobed near the tip]
	ocreae papery and thin but not transparent; NOT [ocreae often nearly transparent]
	ocreae tan to brownish; NOT [ocreae silvery]
	flowers clusters without a whorl of bracts; NOT [flower clusters with whorl of leafy to scale-like bracts at the base]
	flowers perfect
	tepals 5
	inner tepals rarely enlarged in fruit; NOT [inner tepals usually enlarged in fruit]
	stamens 6-8
	achenes completely enclosed  by tepals or barely extending beyond them; NOT [achenes clearly extending beyond the tepals]
	achenes more or less unwinged; NOT [achenes lens-shaped, broadly winged]

Polygonaceae: Answers to key questions in Budd's Flora  leading to this family.  These answers do not all apply to all genera in Polygonaceae but they do apply to all Fallopia in Saskatchewan.

	herbs; NOT [shrubs or trees]
	land plants; NOT [water plants]
	plants not parasitic on trees
	plants with more than one pair of leaves; NOT [plants with a single pair of large reniform leaves]
	leaves alternate; NOT [leaves opposite]
	stipules present
	stipules forming a sheath above nodes
	flowers perfect