In Latvian mythology, Austras Koks ("tree of the east" or "tree of the dawn") was a tree that grew from the start of Saules' (the sun's) daily journey across the sky. It is usually considered an oak.
... are the chief trees; on the upper parts of the mountains are the Siberian rampant cedar[?] (Cembra pumila) and the Kurilian bamboo[?] (Arundinaria kurileif sc). Birch, ...