The paulownia patterns are the largest in number among karakami patterns and were exclusively used by the Imperial Family during the Heian period, but later they were donated as an imperial gift to court nobles and samurai families and changed diversely.
桐紋は、唐紙紋様の中でも最も多く、平安時代は皇室の専用であったが、のちに公家や武家にも下賜されて多彩に変化した。