An estuary is a semi-enclosed coastal water body that extends to the effective limit of tidal influence, within which sea water is significantly diluted with freshwater from land drainage. (https://www.soest.hawaii.edu/oceanography/courses/OCN623/Spring2018/21_EstuariesI.pdf)
Weigela is a genus of between six and 38 species of deciduous shrubs in the family Caprifoliaceae, growing to 1–5 m (3-15') tall. All are natives of eastern Asia. (https://en.wikipedia.org/wiki/Weigela)