蔓竜胆

 ツルリンドウ on Japanese Wikipedia

Literally, “vine gentian”, compound of 蔓(つる) (tsuru, “vine”) + 竜胆(りんどう) (rindō, “gentian”)

蔓(つる)竜胆(りんどう) or 蔓竜胆(ツルリンドウ) • (tsururindō) ^{←つるりんだう (tururindau)?}

1. Tripterospermum japonicum

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