noun
Mexican prickly poppy
A flowering plant (Argemone mexicana) with thistle-like leaves and yellow flowers; sometimes considered a weed.
道端にアザミゲシが咲いていた。
Mexican prickly poppies were blooming by the roadside.
From 薊 (azami, 'thistle') + 芥子 (keshi, 'poppy'), referring to the plant's thistle-like leaves and poppy-like flowers.