Xianglin 31

 Xianglin 31（Camellia oleifera）Oil Tea Camellia Superior Germplasm Resources, 2008, editor in chief by Chen Yonzhong, p.87. China Forestry Publishing House, 2016. Oil-tea Camellia Cultivars in China, p.328. Yao Xiaohua and Ren Huadong eds. 2020. Oil-tea Camellia Genetic Resource in China. p.143. Bred by Hunan Academy of Forestry in 1990, passed the identification in 1998 by Hunan Academy of Forestry registration, and listed as national excellent cultivar, the Certification Number: Xiang S9644-CO2. Plant vigorous, crown rotund. Leaves elliptic, apex acuminate, margin serrate or crenate, 4.0-6.5 cm long, 3.0-3.5 cm wide, glabrous. Flowering usually in late October to late December, white, dimeter 5.0-7.5 cm, petals 5-6, obcordate. Fruit mature in late October, spherical, reddish green or yellowish green, diameter 30-38 mm, 20-40 among of fruit weighted 500g, loci 3-4. Average 47.5% -52% seed weight in each fresh fruit, 60.87% kernel weight in each dry fruit. The average rate of oil reached 36%-41.95% from dry seeds, and 11.4%-12.9% from fresh fruit. Average oil yield 715.5 kg/hm2.

湘林31，陈永忠主编，2008年，《油茶优良种质资源》第 87 页。姚小华、任华东主编，2020年《中国油茶遗传资源》第143页。【培育单位】湖南省林业科学院，【选育年份】1990，【审定年份】1998，【良种号】湘S9644-CO2。由湖南省林业科学院于1990年选育出来的优良无性系。树冠自然圆头形；叶椭圆形，先端渐尖，边缘有细锯齿或钝齿，长4.0～6.5cm，宽3.0～3.5cm，叶面光滑；花期稍早，湖南通常于10月中旬至12月中下旬开花，花白色，直径5.5～7.5cm，花瓣倒心形，5～6瓣；果实成熟期10月下旬，果实球形，青红或青黄色，果径30～38mm，每500g果数20～40个，心室3～4个，鲜出籽率47.5%～52%，干出仁率60.87%，干籽含油率36%～41.95％，鲜果含油率11.4%～12.9%。单位冠幅产果量为1.126kg/m2，产油量为715.5kg/hm2，比参试无性系平均值增幅23%。

湘林31 Camellia oleifera ‘Xianglin 31’. 中国林业出版社, 2016. 《中国油茶品种志》，p.328。【审定编号】湘S9644-CO2【品种类别】无性系【选育单位】湖南省林业科学研究院【选育年份】1990年。