Primula incana
 
Mealy Primrose

Flower Side

10 km North of Hudson Bay on Highway # 9
19-June-2015

Note the farinose calyx.

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Incana: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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larger plants, normally more than 12 cm tall; NOT [low, very slender plants, rarely more than 12 cm tall]

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leaves petioled or merely narrowed to base; NOT [leaves with long slender petioles]

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leaves mostly dentate or crenate; NOT [leaves entire or undulate]

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leaves copiously sulfur yellow farinose beneath; NOT [leaves green beneath or often somewhat farinose]

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involucral bracts 3-14 mm long; NOT [involucral bracts 2-6 mm long]

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involucral bracts lanceolate to linear-oblong, flat; NOT [involucral bracts subulate or tightly involute above the dilated base]

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mature calyx 4-11 mm long; NOT [mature calyx 3-6 mm long]

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mature calyx not cleft to the middle

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limb of corolla 5-20 mm across; NOT [limb of corolla 5-9 mm across]

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lobes of corolla 3-7 mm broad; NOT [lobes of corolla 1.6-4 mm broad]

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capsule 2.5-5 mm in diameter; NOT [capsule 2-3 mm in diameter]

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mature capsule thick-cylindric to ellipsoid-ovoid; NOT [mature capsule slender-cylindric, tapering at apex, much exceeding the shallow-lobed calyx]

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seeds angular; NOT [seeds rounded]

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seeds roughened; NOT [seeds nearly smooth]

 

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Primula: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
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perennials; NOT [annuals]

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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]

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flowers in terminal umbels of few to many flowers; NOT [flowers solitary or 1-3 on a peduncle, 1-3 cm high]

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sepals not reflexed

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corolla present; NOT [corolla absent]

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corolla tube equalling or longer than the calyx; NOT [corolla tube mostly shorter than the calyx]

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corolla-lobes erect or spreading; NOT [corolla-lobes sharply reflexed]

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corolla lilac or pinkish; NOT [corolla white]

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stamens separate; NOT [stamens more or less united, the anthers connivent around the style]

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style slender; NOT [style minute]

 

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Primulaceae: Answers to key questions in Budd's Flora  leading to this family. 
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herbs; NOT [shrubs or trees]

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plants green or with some chlorophyll; NOT [plants parasitic or saprophytic, without chlorophyll]

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plants without milky juice

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plants not twining

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flowers not in heads or spikes; NOT [flowers in long or short spikes], NOT [flowers in heads or in form resembling a head]

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flowers with two floral rings

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corolla regular; NOT [corolla irregular]

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petals wholly or partly united forming a tube or bell

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stamens directly in front of corolla lobes; NOT [stamens alternating with corolla lobes, or twice their number]

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ovary superior; NOT [ovary inferior]