noun
heartleaf hornbeam
A deciduous tree native to Japan and East Asia, Carpinus cordata. Botanical term; in everyday contexts usually written in kana.
サワシバは山地の沢沿いに生える落葉高木です。
The heartleaf hornbeam is a deciduous tree that grows along mountain streams.
The name サワシバ (sawashiba) likely derives from 沢 (sawa, 'mountain stream') and 柴 (shiba, 'brushwood'), referring to its habitat. The exact historical derivation is uncertain.