これを見た瞬間、「赤瀬川原平のトマソン!」と心の中で(すもちろん)叫んだが、なんて言うのか思い出せずにいて調べてたら、「植物ワイパー」であった。
You could find some evidence that was made by the plant, it would be made by a "wiper". We had an artist whose name is Akasegawa Genpei(sir name/first name), he created that kind of "art", and he named it like that.
*not sure English...
💙💛