noun
four-o'clock plant; marvel-of-Peru
Common ornamental plant with fragrant flowers that open in the late afternoon. The Japanese name comes from the white powder-like substance inside the seeds, resembling face powder (おしろい).
庭にオシロイバナが咲いている。
Four-o'clock plants are blooming in the garden.
オシロイバナの種を割ると、白
When you break open a four-o'clock seed, white powder comes out.