Translation guide
The English word 'redwood' refers to a specific type of tall coniferous tree native to California and Oregon, or its wood. In Japanese, it is usually referred to by its loanword name or a descriptive term.
Referring to the redwood tree species, especially the coast redwood or giant sequoia.
The most common Japanese term for redwood trees, borrowed from the genus name Sequoia. Used for both coast redwood and giant sequoia.
Referring to the timber or lumber from redwood trees, often used for construction or outdoor furniture.
Means 'sequoia wood/lumber'. The suffix 材 (ざい) indicates material. This is the standard way to refer to the wood.
カリフォルニアのセコイアは世界で一番高い木です。
The California redwoods are the tallest trees in the world.
Direct loanword from English. Less common than セコイア but understood, especially in contexts related to U.S. national parks.
I want to visit Redwood National Park.
Literally 'sequoia tree'. Used when you need to be explicit that you're talking about the tree itself.
That redwood tree is said to be 2000 years old.
This deck is made of redwood.
Literally 'redwood lumber'. More descriptive, using the loanword plus 木材 (timber).
Redwood lumber is highly durable.