June 1, 2012
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Southeastern, New Hampshire
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I thought that this plant was Texas Toadflax (Nuttallanthus texanus) even
though it is not supposed to grow here. The flowers and stem are so much bigger
than the Canada Toadflax that is so common around here.
Fortunately, Research Botanist, Arthur Haines was kind enough to take some
of these plants and examine them (the size and the seeds). I tried to examine
the seeds myself, but I did not have great enough magnification to tell if
the seeds were tuberculate (bearing swellings or projections). It turns out
that this plant is simply Canada Toadflax with larger than typical flowers.
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