ubame oak
A rare term for the ubame oak (Quercus phillyraeoides). Usually written in kana. Cross-referenced with 姥目樫 (うばめがし), which is a more common name for the same tree.
See also: ウバメガシ
Imamegashi is sometimes known as another name for ubamegashi.
Katakana spelling is common for this plant name; usually written in kana.
Rare kanji spelling; usually written in kana.
The origin of the name is uncertain. The kanji 今芽樫 literally suggest 'now bud oak', but this is likely a phonetic or conventional spelling rather than a direct semantic derivation.