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Questions and Answers: 2020

Question: I recently posted last year's flowers of this tree and they were not clear enough to identify. Here are better …

  • Question

    I recently posted last year's flowers of this tree and they were not clear enough to identify. Here are better pictures, taken May 4-5 2020 in Lincoln, Massachusetts. The tree is at the south edge of a clearing. Once the other trees leaf out it will only get a little direct sunlight when the sun is high.

    Answer

    Dear jfc, good morning. We are getting closer. I think you have either Prunus avium (sweet cherry) or Prunus cerasus (sour cherry). You can likely determine for yourself which species this is. The former has sepals with entire margins and pubescent leaf blades (on the lower surface), while the latter has sepals with glandular-serrate margins and +/- glabrous leaf surfaces.