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红顶金花茶 Camellia insularis Orel & Curry

Last Updated:2025/2/22 16:04:23 By:wangzhonglang
652

Section:Chrysantha

Conservation Status

Remarks:This name is accepted

References

Camellia insularis Orel & Curry  Orel, G. S. Curry, A. (2015). In Pursuit of Hidden Camellias 32 New Camellia species from Vietnam and China. p. 187-194. Theaceae Exploration Associates, Sydney. Australia. Accepted Name

红顶金花茶  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112-113页。Chinese Name Chinese Name

English

» Description

Camellia insularis Orel & Curry in Pursuit Hidden Camellias Vietnam China: 187-194 (2015). TYPE: Vietnam. Quang Ninh Province: estuarine islands, 5 November 1999, G. Orel, A. S. Curry, G. Richards, R.  Cherry, A. Raper & P. Cave 1219 (holotype: NSW).  

In comparison to other Camellia species in section Dalatia Orel, C.  insularis Orel & Curry possesses relatively small leaves; terminal, seldom axillary, solitary flowers; short peduncle, 4.0-6.0 mm long; undifferentiated perules which are variable in number (9-12) and 3 styles free to the base. It is distinguished from the member species in section Chrysanthae Chang by having petals arranged in a spiral.

Etymology. The specific epithet of the new species refers to the geographical location of the find.


» Distribution

Vietnam. Quang Ninh Province

Chinese

» Description

红顶金花茶 Camellia insularis Orel et Curry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112-113页。【形态特征】多年生中等或大型常绿灌木,高约5.0m,自然分枝。树皮黑褐色,近平滑或微纵裂。嫩枝 光滑,先是紫红色,然后渐变为浅棕色;老枝红棕色,光滑,有光泽。叶芽粗壮,圆胖,先端尖锐,芽鱗片明显,浅绿色带紫红色,欲展开时长4.5-5.0cm,宽0.5-0.7cm。叶互生。初生嫩叶椭圆形,呈轻微波浪状,紫红色。成熟叶片革质,橢圆形或卵形,长9.2-16.1cm,宽3.3-7.2cm,叶缘有明显不规则据齿,先端渐尖,基部钝圆至圆形,正面光滑,深绿色,有光泽,背面浅绿色有黑色腺点;侧脉浅显,6-10对;主脉和侧脉在叶面凹陷,在叶背凸起,网脉发达明显;叶柄长0.9-1.2cm。花蕾球形至椭球形。花金黄色,单生,少数2-3朵簇生枝顶或叶腋,直径3.2-5.1cn;花梗较短且粗壮;苞片与萼片区别不明显,呈过渡状排列;苞片5-8枚,长4.0-6.0mm,宽6.0-8.0mm,紧紧排列至外轮萼片,基本重叠,呈不对称的新月形,先端有轻微凹陷,绿色带紫红色斑块;萼片5-8枚,相对较大,新月形至圆形,长6.0-9.0mm,宽8.0-9.0mm,先端有轻微凹陷,绿色带紫红色斑块,里面被灰白色短茸毛;花瓣9-14枚,椭圆形至倒卵形,基部重叠;雄蕊多数,花丝亮黄色,光滑,长1.5-2.5cm,外轮基部与花瓣合 生,内轮离生;花药长方形,黄色;花柱3条,长2.0-2.6cm,浅黄色,光滑,离生;柱头不明显,与花柱同色;子房上位,近球形或圆柱形,直径3.0-3.6mm,淡黄色,光滑无毛,3室。不成熟蒴果浅绿色,成熟蒴果黄棕色有明显紫红色斑块或紫红色,光滑,不规则球形或扁球形,基部具紧贴的宿存萼片和苞片,直径3.8-5.6cm,高2.6-4.0cm,重27.9-54.6g,果皮较厚,5.6-7.8mm。种子每室1-4粒,近球形、半球形或三角状球形,棕色,光滑无毛。花期2-3月,果熟期10-11月。【原产地】该种是越南的一个特有种,分布于越南广宁省。【识别要点】该种花梗较短且粗壮;苞片、萼片均较大,绿色带紫红色斑块,里面被灰白色短茸毛,先端有轻微凹陷。


» Distribution

越南广宁省

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