repared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated March 2018. Scientific name: Alnus incana (L.) Moench Common name(s): speckled alder, gray alder Links: USDA PLANTS Profile, NPIN Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)
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edge of blueberry field
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leaves doubly toothed
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leaf detail showing wrinkled appearance
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fruits persist on plant
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buds with 2 scales, end of May
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male flowers open first, immature female flowers, end of May
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male flower with expanding female flowers, end of May
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expanding female flowers, end of May
