Solidago bicolor var. concolor

           
Pale Goldenrod

G. F. Ledingham Herbarium
University of Regina

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Bicolor var. Concolor: Answers to key questions in Budd's Flora  leading to this variety of this species.  
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leaves and stems densely hairy

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lower leaves ovate, with the petiole as long as the blade

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inflorescence a panicle or spike; inflorescence NOT [corymbose, with the branches slanting upward, forming a rounded or flat-topped inflorescence]

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inflorescence racemose, with branches ascending along the stem; NOT [a panicle with more or less spreading or arching branches]

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inflorescence more or less cylindrical or narrowly oval

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flowers yellow (this distinguishes the variety; the type has white or cream flowers)

 

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Solidago: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.
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plants with fibrous roots; NOT with a taproot

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juice watery; NOT milky

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leaves alternate or basal; NOT opposite

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leaves simple; NOT pinnatifid, NOT divided

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leaves never spinescent

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heads small and numerous, in terminal or axillary clusters; NOT [usually solitary at ends of branches]

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involucral bracts in 2 or more series; NOT [in one series, sometimes with a few much shorter outer ones at the base]

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involucral bracts well imbricated; NOT scarcely imbricated

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receptacle naked

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flower heads with both tubular and ray florets

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ligulate flowers pistillate or neuter; NOT perfect

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ray florets yellow; NOT [pink, blue, purple, or white]

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stamens united to form a tube around the pistil

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pappus composed of hairs; NOT scales, NOT bristles, NOT firm awns, NOT a crown, NOT absent, pappus NOT chaffy

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pappus single, hairs sometimes unequal but not distinctly divided into an inner and outer series of two lengths; NOT [pappus double, hairs of the outer series inconspicuous, distinctly shorter than the inner]