Kokuhō

Chinka-en, 1986-1987, Niigata-no-tsubaki, p.1 as a seedling of Konronkoku x Kumasaka. Inazawa Nurseries Co. Ltd Catalogue, 1986-1987, p.6, A-266: Deep, glossy, dark red, medium size, single of good shape. Yokoyama & Kirino, 1989, Nihon no Chinka, p.230, colour photo and description: Medium size, dark red, campanulate single of 5 irregular petals and a central stamen column with red filaments, joined for the lower third, and bright yellow anthers. Blooms early to mid-season. Leaves deep green, elliptic, margins serru­late. Originated in Niigata Prefecture, Japan. Resembles Eiraku but darker and larger. Named and released by Tokuji Ōoka in 1973.

淡交社.1989年. 《日本の椿花》.ｐ.230　   誠文堂新光社.1998.《日本ツバキ.サザンカ名鑑》.ｐ.95. 日本ツバキ協会. 2010. 《最新日本ツバキ図鑑》. p.76. 新潟產. [花]暗紅色、一重、筒咲き、肉厚、筒しベ、小輪、3～4月。[葉]長楕円、中形、平坦、反曲。[樹]立性、弱い。[来歴]崑崙黒x熊坂、1973年に加藤英世の命名、大岡徳治の発表。写/斧江、文/大岡