Haplopappus armerioides
     
Narrow-leaved Stenotus

Flower Head Top, Oblique View
Saskatchewan Landing Provincial Park
21-May-2006

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Armerioides:  Answers to key questions in Budd's Flora leading to this species.  
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plants low, tufted with woody base; NOT [plants with stem dying down to base annually]

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plants NOT glandular

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stem leaves few, reduced; NOT [stem leaves several]

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leaves NOT pinnately dissected

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leaves entire-margined; NOT [leaves usually somewhat toothed]

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flowers with both tubular and ray florets

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pappus white; NOT [reddish brown or yellow]

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

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juice watery; NOT milky

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leaves alternate or basal; NOT opposite

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leaves mostly basal, with stem leaves reduced; NOT [stems leafy almost to inflorescence]

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leaves often somewhat spinescent

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

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involucral bracts in 2 or more series; NOT [involucral bracts usually one series]

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involucral bracts well-imbricated; NOT [involucral bracts not or scarcely imbricated]

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receptacle naked

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flower heads with florets both tubular and ray

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ray florets when present pistillate or neuter; not perfect

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

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stamens united to form a tube around the pistil

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pappus composed of hairs; NOT [pappus, when present, composed of scales, bristles, firm awns, chaff, or a crown]

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