June 26, 2012
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Southeastern, New Hampshire
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This is a common weed in the public gardens. It is extremely hairy and edible (cooked).
The easiest way to differentiate it from Lesser Quickweed (Galinsoga parviflora) is
that Lesser Quickweed is much less hairy. In addition, the pappus (modified calyx crowning the
ovary) of the disk flowers for Hairy Galinsoga has an awn (narrow bristle) tip. The pappus
of the ray flowers of Hairy Galinsoga is well-developed, but poorly-developed for
Lesser Quickweed.
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