Question: Growing in a field in Belmont, Massachusetts. My ID is Apocynaceae, probably Cynanchum based on where the flowers are (small …
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Question
Growing in a field in Belmont, Massachusetts. My ID is Apocynaceae, probably Cynanchum based on where the flowers are (small groups along the stem instead of a large cluster at the top like milkweed).
Answer
Dear jfc, good morning. You have photographed Vincetoxicum nigrum (synonym: Cynanchum louisiae). This species is a member of the Apocynaceae, but more closely allied to milkweeds than dogbanes. As the shoot elongates, they will become more vining. This species is, in many instances, highly invasive (though with very interesting flowers).
