noun
straw paper; rice paper
Paper made from rice straw or other straw fibers; often used in traditional crafts and packaging.
この包装には藁紙が使われている。
Straw paper is used for this packaging.
昔の人は藁紙に文字を書いた。
People in the old days wrote on straw paper.
和紙 is a broad term for traditional Japanese paper, while 藁紙 specifically refers to paper made from straw.
Compound of 藁 (わら, 'straw') and 紙 (かみ, 'paper'). The reading かみ becomes がみ due to rendaku.