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

	larger plants, normally more than 12 cm tall; NOT [low, very slender plants, rarely more than 12 cm tall]
	leaves petioled or merely narrowed to base; NOT [leaves with long slender petioles]
	leaves mostly dentate or crenate; NOT [leaves entire or undulate]
	leaves copiously sulfur yellow farinose beneath; NOT [leaves green beneath or often somewhat farinose]
	involucral bracts 3-14 mm long; NOT [involucral bracts 2-6 mm long]
	involucral bracts lanceolate to linear-oblong, flat; NOT [involucral bracts subulate or tightly involute above the dilated base]
	mature calyx 4-11 mm long; NOT [mature calyx 3-6 mm long]
	mature calyx not cleft to the middle
	limb of corolla 5-20 mm across; NOT [limb of corolla 5-9 mm across]
	lobes of corolla 3-7 mm broad; NOT [lobes of corolla 1.6-4 mm broad]
	capsule 2.5-5 mm in diameter; NOT [capsule 2-3 mm in diameter]
	mature capsule thick-cylindric to ellipsoid-ovoid; NOT [mature capsule slender-cylindric, tapering at apex, much exceeding the shallow-lobed calyx]
	seeds angular; NOT [seeds rounded]
	seeds roughened; NOT [seeds nearly smooth]

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

	perennials; NOT [annuals]
	plant scapose, with a rosette of leaves; NOT [leaves all or chiefly cauline], NOT [plant matted, with a branching, slightly woody, caudex; leaves small, clustered at the ends of short branches of the caudex]
	flowers in terminal umbels of few to many flowers; NOT [flowers solitary or 1-3 on a peduncle, 1-3 cm high]
	sepals not reflexed
	corolla present; NOT [corolla absent]
	corolla tube equalling or longer than the calyx; NOT [corolla tube mostly shorter than the calyx]
	corolla-lobes erect or spreading; NOT [corolla-lobes sharply reflexed]
	corolla lilac or pinkish; NOT [corolla white]
	stamens separate; NOT [stamens more or less united, the anthers connivent around the style]
	style slender; NOT [style minute]

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

	herbs; NOT [shrubs or trees]
	plants green or with some chlorophyll; NOT [plants parasitic or saprophytic, without chlorophyll]
	plants without milky juice
	plants not twining
	flowers not in heads or spikes; NOT [flowers in long or short spikes], NOT [flowers in heads or in form resembling a head]
	flowers with two floral rings
	corolla regular; NOT [corolla irregular]
	petals wholly or partly united forming a tube or bell
	stamens directly in front of corolla lobes; NOT [stamens alternating with corolla lobes, or twice their number]
	ovary superior; NOT [ovary inferior]