Japanese belladonna; Scopolia japonica
A poisonous plant native to Japan, related to belladonna. The name is usually written in katakana.
Japanese belladonna is a poisonous plant, so caution is needed when handling it.
Kanji spelling is rare and may not be widely recognized.
From 走り and 野老. The plant resembles 野老, while 走り refers to the delirium and frantic movement that poisoning by it can cause.