ツクバネガシつくばねがしMeanings1nounQuercus sessilifolia (species of oak)usually written using kana aloneA species of oak native to East Asia. The name is usually written in katakana as a plant name.ツクバネガシは日本にほんの山さん地ちに自じ生せいする常じょう緑りょく高