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
3 show +
» 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
» Description
显脉金花茶CameHia euphlebia Merr. ex Sealy in Kew Bull. 1949,219;Rev. 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0.8-1.5cm,4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。
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