Wildflowers: Yellow Michigan wildflower

Discussion in 'Plants: Identification' started by dvictor, Aug 18, 2014.

  1. dvictor

    dvictor Active Member

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    Location:
    West Bloomfield, Michigan USA
    This tall (3.5 feet) yellow wildflower was photographed in August in Oakland County, Michigan.

    I assume it is some variety of sunflower, but I don't really know. Can you help me to identify it?

    Thank you.
     

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    dvictor, Aug 18, 2014
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  2. pathe

    pathe Active Member

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    Location:
    Indiana
    Helianthus grosseserratus (Sawtooth Sunflower)?
     
    pathe, Aug 18, 2014
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  3. dvictor

    dvictor Active Member

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    Location:
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    That seeds right. At another expert's advice, I went and confirmed that the stem is glabrous which seems to confirm Helianthus grosseserratus. Thank you for your help.
     
    dvictor, Aug 19, 2014
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