Sakhalin fir
A species of fir tree native to Sakhalin and Hokkaido, known as Abies sachalinensis.
Many Sakhalin firs grow in the forests of Hokkaido.
Usually written in katakana; the kanji form 椴松 is rare.
Rare kanji spelling; the katakana form is standard.
The name likely derives from the Ainu word for this tree, but the exact origin is uncertain.