紅こう樹じゅ

noun

mangrove; black mangrove

Botanical term, especially for the black mangrove (Bruguiera gymnorrhiza). Used in ecological and scientific contexts.

• 沖おき縄なわの海かい岸がんには紅こう樹じゅが広ひろがっている。

  Mangroves spread along the coast of Okinawa.

noun

tree with red leaves or flowers

General descriptive term for any tree with red foliage or blossoms. Less common than sense 1.

• 秋あきになると、庭にわの紅こう樹じゅが美うつくしく色いろづく。

  In autumn, the tree with red leaves in the garden turns beautifully colored.