Veronica serpyllifolia
 
Thyme-Leaved Speedwell

Rhizome

Centre Block, Cypress Hills Interprovincial Park
09-July-2011

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

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lower leaves short-petiolate; NOT [leaves all sessile]

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leaves mostly less than 5 cm long; NOT [leaves 5-15 cm long]

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leaves entire or obscurely toothed; NOT [leaves conspicuously serrate]

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flowers in terminal racemes; NOT [flowers in axillary racemes], NOT [flowers solitary in axils of leaves]

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racemes not well-defined, loose; NOT [racemes well-defined, dense]

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calyx 4-lobed; NOT [calyx 5-lobed, with the upper 2 long and the lower 3 short]

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capsule wider than long; NOT [capsule longer than wide]

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capsule deeply notched; NOT [capsule barely notched]

 

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Veronica: Answers to key questions in Budd's Flora  and Flora of Alberta leading to this genus. 
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leaves NOT all basal

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cauline leaves opposite; NOT [cauline leaves alternate]

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sepal lobes 4; NOT [sepal lobes 5]

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petals present; NOT [petals absent]

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corolla rotate; NOT [corolla short-tubular]

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corolla NOT spurred at the base

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petal lobes 4; NOT [petal lobes 5]

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two anther-bearing stamens and no sterile stamen

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stamens NOT protruding

 

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Scrophulariaceae: Answers to key questions in Budd's Flora  leading to this family. Not all the answers apply to all members of this family, but all do apply to this species.
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herbs; NOT [shrubs or trees]

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plants NOT aquatic

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

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stems NOT square

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leaves NOT bearing bladders

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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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corolla irregular; NOT [corolla regular]

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ovary superior; NOT [ovary inferior]

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fruit a many-seeded capsule; NOT [fruit with 4 nutlets]