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Questions and Answers: 2019

Question: Can you determine which Alnus this is from these photos? The twig has both lenticels and bloom. Could it be …

  • Question

    Can you determine which Alnus this is from these photos? The twig has both lenticels and bloom. Could it be a hybrid? It is growing in a forest-interior wetland in Rutland County, VT.

    Answer

    Dear mmchugh, good morning. These look like Alnus incana (speckled alder), which is the most common species found in New England. If it were Alnus serrulata, we would expect the carpellate aments to diverge from the branchlet curve leading down to the staminate aments. Best wishes.