Question: I am having trouble deciding if this is calystegia sepium or silvatica. It was discovered climbing a rosa multiflora in …
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Question
I am having trouble deciding if this is calystegia sepium or silvatica. It was discovered climbing a rosa multiflora in northern Rhode Island.
Answer
Dear Scott, the V-shaped sinus at the base of the leaf would not be found on Calystegia silvatica. Your plant is Calystegia sepium, though which subspecies (of the four) I cannot not determine from the photographs.
