noun
paper mulberry (Broussonetia papyrifera)
A tree whose bark is traditionally used for making Japanese paper (和紙). Often referred to as カジノキ in full.
See also: 梶の木
カジの木の皮は和紙の原料になる。
The bark of the paper mulberry tree is used as a material for Japanese paper.
この地域ではカジがよく栽培されている。
Paper mulberry is widely cultivated in this region.