Keisetsu

Encyclopedia of Camellias in Colour, vol.II, 1978, pl.312, p.131, description, p.244: Small, single, 7 cm across, white with faint pink tinge at petal apex, 5-6 slightly emarginate petals with edges rolled in, spreading stamen cluster, yellow anthers, light yellow filaments. Flower base is tinged a greenish colour. Leaves elliptic to nar­rowly elliptic, apex acuminate, margins serrate. See: Yokoyama & Kirino, 1989, Nihon no Chinka, p.53 and Seibundō Shinkōsha, 1979, Senchinshū, pp. 49, 212. Originated in Kashiwazaki City, Niigata Prefecture, Japan. Note: This name alludes to studying hard to overcome difficulties. According to ancient Chinese literature, reading books by the light of fireflies in summer and by the reflections of the snow in winter. Named and released by Tokuji Ōoka in 1968.

淡交社.1989年. 《日本の椿花》.ｐ.53     誠文堂新光社.1998.《日本ツバキ.サザンカ名鑑》.ｐ.85. 日本ツバキ協会. 2010. 《最新日本ツバキ図鑑》. p.46. 新潟產. [花]極淡桃色、一重、筒～ラッパ咲き、肉厚、梅芯、小輪、3～4月。[葉]楕円、中形、やや中折れ。[樹]横張り性。[来歴]ユキツバキ系。柏崎市鵜川の民家の栽培種、1968年に大岡徳治の命名.発表。写.文/太岡