Section：Chrysantha
Conservation Status：Critically endangered
Remarks：This name is accepted
References：
Camellia impressinervis Hung T.Chang & S.Ye Liang Acta Sci. Nat. Univ. Sunyatseni 1979(3): 72 (1979) Accepted Name [PDF]
凹脉金花茶 张宏达，1981. 《山茶属植物的系统研究》第105页 Chinese Name
Camellia impressinervis Hung T.Chang & S.Ye Liang Lê, T.C. (2003). Danh lục các loài thực vật Việt Nam 2: 1-1203. Hà Nội : Nhà xuất bản Nông nghiệp. Cited Name
Camellia impressinervis Hung T.Chang & S.Ye Liang Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.103. Cited Name
Camellia impressinervis Hung T.Chang & S.Ye Liang Wu, Z., Raven, P.H. & Hong, D. (eds.) (2007). Flora of China 12: 1-534. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). Cited Name
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» Description
Camellia impressinervis Hung T.Chang & S.Ye Liang, Subgenus Thea, Sect. Chrysantha, Ser. Chrysanthae Chang, Acta Sci. Nat. Univ. Sunyatseni 1979(3): 71. 1979. Chang Hung-ta and Bruce Bartholomew (1984). Camellias, p.130. Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.103. : Camellia impressinervis Chang & Liang in Chang, Acta Sci. Nat. Univ. Sunyatseni1979(3):72. 1979. [Description] Shrub 3 m tall; branchlets pubescent, old branches becoming bare. Leavescoriaceous, elliptic, 13-22 cm long, 5.5-8.5 cm wide, apices acute, bases broadly cuneateor slightly rounded; olive-green above in the dry state, shiny; yellowish-brown below, pubescent, dark-punctate; lateral veins 10-14 pairs; midveins and reticulating veinssunken above, protruding below; margins serrulate; petioles 1 cm long, canaliculate above, glabrous, pubescent below. Flowers 1-2 axillary, pedicells thick, 6-7 mm long, glabrous; bracts 5, crescent-shaped, oblique, glabrous, persistent; sepals 5, semi-orbicular to orbicular, 4-8 mm long, glabrous, persistent; petals 12, golden-yellow; styles 2-3-parted, glabrous. Capsules oblate or bicoccus, 1.8 cm high, 3 cm wide, 2-3-locular, 1-2 seeds per locule, valves 1-1.5 mm thick; seeds globose, 1.5 cm wide.
» Distribution
» Description
凹脉金花茶Camellia impressinervis Chang et S. Y. Liang, in Acta Sci. Nat.
张宏达，1981. 《山茶属植物的系统研究》第105页。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103页。【标本】广西：龙州，1970年12月13日，梁盛业700304 (模式Typus： in Univ. Sun-yatsen)；同地，武联乡，板闭村，山谷密林，陈少卿13286；龙津，六区，板闭，谭沛祥57315。【形态特征】灌木，高3米，嫩枝有短粗毛，老枝变秃。叶革质，椭圆形，长13-22厘米，宽5.5-8.5厘米，先端急尖，基部阔楔形或窄而圆，上面干后橄榄绿色，有光泽，下面黄褐色，有柔毛，有黑腺点，侧脉10-14对，与中脉及网脉在上面凹下，在下面突起，边缘有细锯齿，叶柄长1厘米，上面有沟，无毛，下面有毛。花1-2朵腋生，花梗粗大，长6-7毫米，无毛；苞片5片，新月形，散生，无毛，宿存；萼片5片，半圆形至圆形，长4-8毫米，无毛，宿存。花瓣12片，金黄色，雄蕊离生，无毛。子房无毛，花柱2-3条，无毛。蒴果扁圆形或双球形，高1.8厘米，宽3厘米，2-3室，每室有种子1-2粒，果爿厚1-1.5毫米；种子球形，宽1.5厘米。
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58-59页。【形态特征】常绿灌木至小乔木，高2.0-5.0m。树皮浅棕色。嫩枝圆柱形，红棕色，被灰白色短茸毛；老枝浅棕色。叶芽锥形，深绿色。嫩叶深红色。老叶革质，椭圆形至长椭圆形，长8.5-16.8cm，宽4.7-9.8cm，叶缘有粗锯齿，先端短渐尖，基部宽楔形至圆形，正面深绿色，背面浅绿色有黑色腺点；侧脉6-7对；主脉、侧脉以及网脉在叶两面均明显可见，主脉和侧脉在叶背被短茸毛；叶肉在叶面隆起；叶柄长0.7-1.0cm，有毛。花蕾近球形。花淡黄色，单生或2-3朵簇生，顶生或腋生，直径4.4-6.9cm；花梗长0.6-0.9cm；苞片3-4枚，半圆形；萼片5-7枚，橄榄绿色带棕红色，卵形，边缘有白色短茸毛，宿存；花瓣8-12枚，椭圆形或卵形，瓣面脉纹明 显；花丝长2.0-2.4cm， 4-5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3-4条，长2.0-2.4cm，无毛，离生；子房近球形，光滑无毛，有棱，3-4室。蒴果扁三角状球形或不规则扁球形，红棕色带浅绿色，光滑，直径4.0-5.5cm，高2.0-2.9cm，重15.5-34.3g，果皮厚2.3-3.4mm。种子每室1-4粒，近球形、半球形或三角状球形，深棕色，密被棕色短茸毛。花期1-3月，果熟期11-12月。【原产地】该种分布于中国广西龙州、大新和越南北部地区，生长在海拔130-480m的常绿阔叶林中。【识别要点】该种嫩枝和主脉、侧脉均被短茸毛；主脉、侧脉以及网脉在叶两面均明显可见，叶肉在叶面隆起；花淡黄色，萼片橄榄绿色带棕红色，花瓣瓣面脉纹明显。
» Distribution
中国广西龙州、大新和越南北部地区，生长在海拔130-480m的常绿阔叶林中
Species in the Same Section: 中东金花茶 Camellia achrysantha H.T.Chang et S.Y .Liang、五室金花茶 Camellia aurea Hung T.Chang、厚叶金花茶 Camellia crassiphylla Ninh et Hakoda、菊芳金花茶 Camellia cucphuongensis Ninh & Rosmann、云南金花茶 Camellia fascicularis Hung T.Chang、黄花茶 Camellia flava (Pit.) Sealy、淡黄金花茶 Camellia flavida、弄岗金花茶 Camellia grandis (C.F.Liang & S.L.Mo) Hung T.Chang & S.Ye Liang 、贵州金花茶 Camellia huana T.L.Ming & W.J.Zhang、胡龙金花茶 Camellia huulungensis Rosmann & Ninh、薄瓣金花茶 Camellia leptopetala Chang & S.Y.Liang、柠檬黄金花茶 Camellia limonia C.F.Liang & S.L.Mo、陇瑞金花茶 Camellia longruiensis S. Y. Liang et X. J. Dong、龙州金花茶 Camellia longzhouensis J.Y.Luo、小花金花茶 Camellia micrantha S.Ye Liang & Y.C.Zhong、多瓣金花茶 Camellia multipetala S.Ye Liang & C.Z.Deng、防城金花茶 Camellia nitidissima C. W. Chi、小果金花茶 Camellia chrysantha (Hu)Tuyama var. microcarpa S. L. Mo et S. Z. Huang、小瓣金花茶 Camellia parvipetala、平果金花茶 Camellia pingguoensis D.Fang、顶生金花茶 Camellia pingguoensis var. terminalis (J.Y.Liang & Z.M.Su) T.L.Ming & W.J.Zhang、毛籽金花茶 Camellia ptilosperma S.Yun Liang & Q.D.Chen、毛瓣金花茶 Camellia pubipetala Y.Wan & S.Z.Huang、罗斯曼金花茶 Camellia rosmannii Ninh、三岛金花茶 Camellia tamdaoensis Hakoda et Ninh 、天峨金花茶 Camellia tianeensis S.Ye Liang & Y.T.Luo、东兴金花茶 Camellia tunghinensis Hung T.Chang、夏石金花茶 Camellia xiashiensis S.Yun Liang & C.Z.Deng、中越山茶 Camellia indochinensis Merr.、德保金花茶 Camellia debaoensis R.C.Hu & Y.Q.Liufu、富宁金花茶 Camellia mingii S.X.Yang、四季花金花茶 Camellia perpetua S. Y. Liang et L. D. Huang、潘氏金花茶 Camellia phanii Hakoda & Ninh、越南小花金花茶 Camellia minima Orel & Curry、红顶金花茶 Camellia insularis Orel & Curry、多毛金花茶 Camellia hirsuta Hakoda & Ninh、箱田金花茶 Camellia hakodae Ninh, Tr.、武鸣金花茶 Camellia wumingensis S.Ye Liang & C.R.Fu ex Hai L.Chen、隆安金花茶 Camellia rostrata S.X.Yang & S.F.Chai、奥康纳山茶 Camellia oconoriana Orel, Curry & Luu、国顺山茶 Camellia thuongiana V.D.Luong, A.Le & T.L.Nguyen、威尔克斯山茶 Camellia wilkesiana Orel & Curry、弄岗金花茶 Camellia longgangensis C.F.Liang & S.L.Mo、金花茶 Camellia chrysantha (Hu) Tuyama、崇左金花茶 Camellia chuongtsoensis S.Y. Liang et. L. D. Huang 、和平山茶 Camellia hoabinhensis V.D.Luong, Ninh & V.T.Pham、梁氏金花茶 Camellia luongii Ninh & Le、聪顺金花茶 Camellia thuanana T.T. Hoang、杜延光山茶 Camellia tuyenquangensis V.D.Luong, Le & Ninh、细毛茶 Camellia velutina V.T.Pham, V.D.Luong & Aver、婉丽金花茶 Camellia concinna Orel & Curry、毛花金花茶 Camellia piloflora S.X.Yang、先安金花茶 Camellia tienyenensis Orel & Curry、密毛金花茶 Camellia tomentosa Orel & Curry、伊丽莎白金花茶 Camellia elizabethae Orel & Curry、佛朗西斯茶 Camellia andrefrancisii Orel & Curry
