小花金花茶 Camellia micrantha S.Ye Liang & Y.C.ZhongCamellia micrantha

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.110. Flowers are pale yellow, 1.5-2.5 cm in diameter, borne in leaf axils. Pedicels 3-5 mm long. Bracts5-7. Sepals 5, persistent, outer surfaces pubescent, inside surfaces glabrous. Petals 6-8, 0.6-2.0 cm long, 0.5-1.0 cm wide, obovate, united with the androecial column up to 3 mm from the base. Androecium glabrous, 7-9 mm long, outermost stamens fused at the base into a column 2-5 mm long. Gynoecium 0.6-1.5 cm long, 3 styles, free, not fused at the base, ovary white-tomentose. Blooming season: early winter to early spring. Capsules oblate, 3.0-3.5 cm in diameter, 3 locules, pericarp wall 1-3 mm thick. Seeds glabrous. Leaves elliptic to broadly obovate, tip acute, base broadly cuneate,8.0-15.0 cm long, 3.5-7.0 cm wide, margin serrulate, upper surface with lateral veins and midribs significantly impressed, glabrous, lower surface with midribs and lateral veins raised, glabrous, cork-warts. Petioles 6-10 mm long, glabrous. Shrub up to 3 m tall, young shoots purple-red, glabrous, older branches glabrous, gray-brown in color. Distribution: Under the canopy of evergreen forests in red or yellow earth hills from Ningming County to Pingxiang City in south¬ern Guangxi; Elevation: 190-350 m; Specific locality: Banjiu Village, Pingxiang City, Guangxi, China.

高继银、帕克斯、杜跃强，2005. 《山茶属植物主要原种彩色图集》浙江科学技术出版社，第110页。花淡黄色，花径1.5~2.5厘米，腋生。花柄长3~5毫米。苞片5~7枚，萼片5枚，宿存，外面有短柔毛，里面无毛。花瓣6~8枚，长0.6~2.0厘米，宽0.5~1.0厘米，椭圆形，基部连生3毫米。雄蕊无毛，长7~9 毫米，外轮花丝基部连生2~5毫米。雌蕊长0.6~1.5厘米，花柱3条，基部离生，子房被白色绒毛。花期冬初至春初。蒴果扁球形，直径3.0~3.5厘米，3室，果皮厚1~3毫米。种子无毛。叶椭圆形至阔倒卵形，先端急尖，基部阔楔形，长8.0~15.0厘米，宽3.5~7.0厘米，边缘具齿，叶面侧脉和中脉明显凹陷，无毛，叶背中脉与侧脉凸起，无毛，有腺点。叶柄长6~10毫米，无毛。灌木，高可达3米，嫩枝无毛，泛紫红色，老枝灰褐色，无毛。分布：广西壮族自治区南部的宁明县和凭祥市一带 (通常生长在红黄壤山地的常绿林中），海拔190-350米。 可寻地点:广西壮族自洽区凭祥市板就村。

小花金花茶Camellia micrantha S. Y. Liang et Y. C. Zhong南宁市金花茶公园，2021.《国内外金花茶物种图鉴》，广西科学技术出版社，第70-71页。【形态特征】常绿灌木至小乔木，高2.0-4.0m。树皮棕色。嫩枝扁圆柱形，深紫棕色，无毛；老枝深棕色。叶芽锥形，浅黄绿色。嫩叶紫棕色。老叶革质，长椭圆形至倒卵形，长8.5-16.8cm，宽4.7-9.8cm，叶缘有细钝齿，先端短渐尖，基部楔形至宽楔形，正面深绿色，背面浅绿色有黑色腺点，两面均无毛；侧脉6-8对；主脉和侧脉在叶面凹陷，在叶背凸起；网脉在叶两面均明显可见；叶柄长0.5-0.7cm，无毛。花蕾球形。花浅黄色，单生或2-3朵簇生，顶生或腋生，直径2.0-2.7cm；花梗长0.4-0.6cm；苞片3-5枚，半圆形；萼片4-5枚，浅黄绿色，内侧及边缘被白色短茸毛，宿存；花瓣7-9枚，长椭圆形，瓣面脉纹隐约可见；雄蕊多数，花丝长0.6-1.2cm，3轮筒状排列，外轮基部合生，内轮离生，无毛；花药黄色，椭圆形；花柱3条，长1.1-1.6cm，无毛，离生；子房近球形，密被短茸毛，3室。蒴果扁球形或不规则扁球形，红棕色至橄榄绿色，光滑，直径2.0-3.7cm，高1.9-2.2cm，重7.3-19.7g，果皮厚1.3-2.7mm。种子每室1-2粒，近球形或半球形，棕褐色。花期11-12月，果熟期10-11月。【原产地】该种是中国的一个特有种，分布于广西宁明、凭徉等地，生长在海拔190-350m的常绿阔叶林中。【识别要点】该种叶片长椭圆形至倒卵形；花较小，直径2.0-2.7cm，花瓣7-9枚，子房有短茸毛。