沢鵯

Literally, “swamp bulbul”, compound of 沢(さわ) (sawa, “swamp”) + 鵯(ひよどり) (hiyodori, “bulbul”)

沢(さわ)鵯(ひよどり) or 沢鵯(サワヒヨドリ) • (sawahiyodori) ^{←さはひよどり (safafyodori)?}

1. Eupatorium lindleyanum

   Synonyms: 沢蘭 (sawa-araragi), 白根 (shirone)

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary).