Koiji

Seibundō Shinkōsha, 1979, Senchinshū, p.51, colour photo, p.213, description: Medium to large, crimson, peony form with a few stamens scattered in the central area. Leaves elliptic, dark green. Petioles hirsute. Originated in Tochio City, Niigata Prefecture, Japan. Collected by Susumu Ishizawa, named and released by Kaoru Hagiya in 1971.

誠文堂新光社.1998.《日本ツバキ.サザンカ名鑑》.ｐ.331. 【花】桃色の八重〜牡丹咲き、中心は雄芯と旗弁が混在、中 輪、4〜5月。【葉】広楕円、中形。【樹】叢生、強ぃ、ユキ 系。【来歴】栃尾市の民家の栽培種。石沢進の採集、1971年 に萩屋薰の命名•発表。文/萩屋。