noun
naturalized plant
A plant species that has become established in a region outside its native range, often used in ecological or botanical contexts.
セイタカアワダチソウは日本では帰化植物として知られている。
Tall goldenrod is known as a naturalized plant in Japan.
外来種 refers broadly to introduced species, while 帰化植物 specifically denotes plants that have become established and self-sustaining in the wild.
Compound of 帰化 (naturalization) and 植物 (plant). The term is a direct translation of the English 'naturalized plant' and is used in botanical contexts.