Androsace septentrionalis
 
Pygmyflower

Flower Top

Good Spirit Lake Provincial Park
06-August-2013

Note that the keys to the genera in Budd's Flora and Flora of Alberta require the corolla tube be shorter, or mostly shorter, than the calyx.  However, the key to the species in Flora of Alberta requires the corolla to be about the same length as the calyx.

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Septentrionalis: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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plants annual; NOT [plants perennial]

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bracts below inflorescence lanceolate to subulate; NOT [bracts below inflorescence elliptic to narrowly ovate to more or less oblong]

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inflorescence diffuse; NOT [flowers crowded]

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umbel with pedicels over 5 mm long; NOT [umbel subcapitate, the pedicels very short]

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flowers small; NOT [flowers large]

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corolla of about the same length as the calyx; NOT [corolla much longer than the calyx] (FOA)

 

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

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leaves all basal (but with leafy bracts below umbels of flowers) ; NOT [leaves all or chiefly cauline]

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

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flowers small

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sepals not reflexed

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corolla present; NOT [corolla absent]

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tube of corolla shorter than calyx; NOT [tube of corolla as long as or longer than calyx] (BF)

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

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

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corolla white; NOT [corolla lilac or pinkish]

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

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style minute; NOT [style slender]

 

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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]