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Spiderwort: it’s more than just a groundcover

  • Tue, Jun 02, 2015 - 02:48am

    #26
    Thrivalista

    Thrivalista

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    Spiderwort: it’s more than just a groundcover

It's also a radiation indicator – the blue stamens of some species turn pink in the presence of radiation. (Only slightly O/T here…)

https://www.richters.com/show.cgi?page=QandA/Medicinal/20020506-1.html