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Witchy Hats on Witch Hazel Are in the Woods Now
Now is a great time to find bewitching sights in the woods of Northern Virginia. Here’s evidence: Witch “hats” on native Witch hazel (Hamamelis virginiana) leaves. The conical black “hats” are the chemical reaction of the Witch hazel leaf to … Continue reading
Posted in Continuing Education, Education, Fall Tree ID, Glen Carlyn Park, Uncategorized
Tagged aphid, gall, Hamamelis virginiana, Hormaphis hamamelidis, ovipositor, witch hat, Witch hazel
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