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显脉金花茶 Camellia euphlebia Merr. ex Sealy

Last Updated:2025/2/21 18:15:02 By:wangzhonglang
427

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Section:Chrydantha

Conservation Status

Remarks:This name is accepted

References

Camellia euphlebia Merr. ex Sealy  Kew Bull. 4: 216 (1949) Accepted Name

Camellia chrysantha var. macrophylla S.L.Mo & S.Z.Huang  Acta Phytotax. Sin. 17(2): 88 (1979) Heterotypic Synonym

显脉金花茶  张宏达. 1981. 山茶属植物的系统研究.中山大学学报(自然科学)论丛(1):108 Chinese Name

Camellia euphlebia var. macrophylla (S.L.Mo & S.Z.Huang) C.X.Ye & J.Y.Liang  Acta Sci. Nat. Univ. Sunyatseni 31(4): 74 (1992) Heterotypic Synonym

Camellia euphlebia Merr. ex Sealy  Lê, T.C. (2003). Danh lục các loài thực vật Việt Nam 2: 1-1203. Hà Nội : Nhà xuất bản Nông nghiệp. Cited Name

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English

» Description

Camellia euphlebia, 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.132: Camellia euphlebia Merr. ex Sealy, Kew Bull. 1949(2): 219. 1949. [Description] Branchlets glabrous. Leaves elliptic 11-14 cm long, 5-6. 5 cm wide; on young plantsleaves to 20 cm long and 9 cm wide; coriaceous, bases obtuse. Pedicels 5 mm long; bracts 7, 2-4 mm long; sepals 5, suborbicular 5-8 mm long; petals 8-9, ca. 4 cm long; stamens 3-3. 5 cm long, basal half connate; ovaries glabrous; styles 3-parted, free. [Synonym]Camellia chrysantha var. macrophylla Mo & S. Z. Huang, Acta Phytotax. Sin. 17(2):88. 1979.


» Distribution

Along the sides of streams under forest canopy in the limestone area in southern Guangxi and in northeastern Vietnam where it is contiguous with Dongxing City, Guangxi; Elevation: 100-450 m: Specific locality: villages of Daqiao, Diaoying, Malu, Beilian, Dawang, Chonglan, Zhuwei and Pingban, Malu Township, villages of Dongshan, Pingmu, Renwen, Paotai, Shangyue, and Naxia, Nasuo Township and villages of Taipin, Naba, Nanxing and Hancheng, Naliang Township, Fangcheng County, Guangxi, China
Chinese

» Description

显脉金花茶CameHia euphlebia Merr. ex Sealy in Kew Bull. 1949,219Rev. Gen. 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95-96页【标本】广西:东兴,马路公社,大旺大队,钟业聪622。越南北部,接近广西边境,曾怀德W.T.TSang27346(模式)。【形态特征】嫩枝无毛,叶椭圆形,长11-14厘米,宽5-6.5厘米,嫩叶长达20厘米,宽9厘米,革质,基部钝;花柄长5毫米,苞片7片,长2-4毫米,萼片5,近圆形,长5-8毫米;花瓣长约4厘米,8-9片,雄蕊长3-3.5厘米,下半部连生;子房无毛,花柱3条,离生。钟业聪622具有长20厘米,宽8.5厘米的叶片;模式标本,曾怀德27346的叶片变化更大,变幅为11-20.5X4.5-10厘米。

显脉金花茶Camellia euphlebia Merr. ex Sealy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52-53页。【形态特征】常绿灌木至小乔木,高2.0-5.0m。树皮棕色。嫩枝圆柱形,红棕色,无毛;老枝灰色。叶芽锥形,黄绿色。嫩叶红棕色。老叶厚革质,椭圆形至长卵形,长11.8-21.9cm,宽5.3-9.6cm,叶缘有细锯齿,先端急短渐尖,基部圆形,正面深绿色,背面浅绿色有黑色腺点;侧脉8-15对;主脉和侧脉在叶面明显凹陷,在叶背明显凸起;网脉在叶两面均不明显;叶柄长0.9-1.4cm,无毛。花蕾卵球形。花黄色,单生或2-3朵簇生,顶生或腋生,直径3.9-5.9cm;花梗长0.4-0.6cm;苞片4-6枚,半圆形;萼片5-9枚,绿色,近圆形,内侧及边缘被白色短茸毛,外侧被稀疏白色短茸毛,宿存;花瓣7-9枚,近圆形,瓣面脉纹隐约可见;花丝长0.8-1.5cm4轮筒状排列,外轮基部与花瓣合生,内轮离生,无毛;花柱3条,长1.0-1.5cm,无毛,离生;子房球形,光滑无毛,3室。蒴果三角状扁球形或扁球形,绿色带紫红色,光滑,直径2.7-7.2cm,高2.1-3.8cm,重26.1-63.5g,果皮厚3.6-6.4mm。种子每室1-3粒,近球形、半球形或三角状球形,浅棕色,被灰棕色短茸毛。花期12月至翌年1月,果熟期11-12月。【原产地】该种分布于中国广西防城港和越南谅山、广宁、北江等地,生长在海拔150-480m的山谷常绿阔叶林中。【识别要点】该种叶片较大,厚革质,椭圆形至长卵形,主脉和侧脉在叶面明显凹陷,在叶背明显凸起,网脉在叶两面均不明显;花黄色,直径3.9-5.9cm


» Distribution

中国广西壮族自治区南部的东兴以及与越南东北部接壤的石灰岩地区(常生于林下溪边),海拔100~ 450米。可寻地点:广西壮族自治区防城县马路乡的大桥村、吊应村、马路村、北联村、大旺村、冲揽村、竹围村、平半村,那梭乡的东山村、平木村、稔稳村、炮台村、上岳村、那夏村,那良乡的太平村、那巴村、南星村、汉城村等地。
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