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弄岗金花茶 Camellia grandis (C.F.Liang & S.L.Mo) Hung T.Chang & S.Ye Liang

Last Updated:2025/2/21 19:21:59 By:wangzhonglang
351

Section:Chrysantha

Conservation Status

Remarks:This name is accepted

References

Camellia grandis (C.F.Liang & S.L.Mo) Hung T.Chang & S.Ye Liang  Acta Sci. Nat. Univ. Sunyatseni 30(2): 82 (1991) Accepted Name

English

» Description

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline,p.100. Flowers are yellow with purple-red blush, 2.5-4.0 cm in diameter, borne at the tips of twigs and in leaf axils. Pedicels 3-4 mm long. Bracts 4-5, persistent, inside surfaces pubescent. Sepals 5-6, outer surfaces purple-red and glabrous. Petals 7-11, 0.8-2.0 cm long, 0.7-1.2 cm wide, obovate, inside surfaces pubescent, margin ciliate. Androecium glabrous, 1.0-1.5 cm long, outermost filaments fused at the base into a tube. Gynoecium nearly glabrous, about 10 mm long, 3 styles, free, not fused at the base, ovary glabrous. Blooming season: autumn to early winter. Capsules tri-globose, 2.0-3.0 cm in diameter, 3 locules, pericarp wall 1-2 mm thick. Seeds glabrous. Leaves long elliptic in shape, tip acute or acuminate, base broadly cuneate or rounded, 8.0-14.0 cm long, 2.5-5.0 cm wide, margin tiiinly serrulate, upper surface with lateral veins and midribs slightly raised, lower surface with midribs and lateral veins raised, cork-warts. Petioles 4-10 mm long, glabrous. Shrub up to 3 m tall, young shoots glabrous, twigs gray-yellow, older branches smooth, graybrown in color. Distribution: Under ev-ergreen forest canopy on lime-stone hills in Longzhou County, Guangxi; Elevation: 240-350 m; Specific locality: Longli Village, Xiaxiu Township, Longzhou County and Longrui Nature Preserve, Ningming County, Guangxi, China.

» Distribution

Under evergreen forest canopy on lime-stone hills in Longzhou County, Guangxi; Elevation: 240-350 m; Specific locality: Longli Village, Xiaxiu Township, Longzhou County and Longrui Nature Preserve, Ningming County, Guangxi, China.
Chinese

» Description

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100页。花黄色,带紫红色,花径2.5~4.0厘米,顶生或腋生。花柄长3~4毫米。苞片4~5枚,宿存,里被短柔毛,萼片5~6枚,有紫红色斑块,外无毛。花瓣7~11枚,长0.8~2.0厘米,宽0.7~1.2厘米,倒卵形,瓣内面被短毛,边缘具睫毛。雄蕊无毛,长1.0~1.5厘米,外轮花丝基部连生形成短管。雌蕊近无毛,长约10毫米,花柱3条,基部离生,子房无毛。花期秋季至冬初。蒴果三角球形,直径2.0~3.0厘米,3室,果皮厚1~2毫米。种子无毛。叶长椭圆形,先端急尖或渐尖,基部圆形或阔楔形,长8.0~14.0厘 米,宽2.5〜5.0厘米,边缘具细齿,薄革质,叶面侧脉和中脉略凸起,叶背中脉与侧脉凸起,具腺点。叶柄长4~10毫米,无毛。灌木,高可达3米,嫩枝无毛,枝条灰黄色,老枝光滑,灰褐色。分布:广西壮族自治区龙州县至宁明县一带(通常生长在石灰岩山 地上的常绿林下),海拔240-350米。可寻地点:广西壮族自治区龙州县 下秀乡陇黎村以及宁明县陇瑞自然保护区。

弄岗金花茶Camellia longgangensis C. F. Liang et S. L. Mo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66-67页。【形态特征】常绿灌木,高2.0-3.0m。树皮黄棕色。嫩枝圆柱形,橄榄棕色,无毛;老枝浅棕色。叶芽锥形,浅绿色。嫩叶浅棕色。老叶薄革质,长卵形,长7.4-11.6cm,宽3.4-4.0cm,叶缘有细锯齿,先端尾状渐尖,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5-8对;主脉和侧脉在叶面凹陷,在叶背凸起;网脉在叶面不明显,在叶背明显可见;叶柄长0.7-1.2cm,无毛。花蕾近球形。花淡黄色,单生或2-3朵簇生,顶生或腋生,直径4.2-6.2cm;花梗长0.7-1.2cm;苞片3-8枚,半圆形;萼片5-6枚,绿色,卵形,内侧与边缘被白色短茸毛,宿存;花瓣9-11枚,椭圆形或卵形,瓣面脉纹隐约可见,外轮花瓣有较小紫红色斑块,内轮花瓣基部被白色短茸毛;花丝长0.8-1.6cm5-6轮筒状排列,外轮基部合生,内轮离生,无毛;花柱3条,长0.8-1.2cm,约与雄蕊等高,无毛,离生;子房近球形,光滑无毛,3室。蒴果三角状扁球形或扁球形,棕色或紫棕色,直径2.2-4.6cm,高2.0-2.5cm,重12.7-28.9g,果皮厚1.2-1.6mm。种子每室1-3粒,近球形、半球形或三角状球形,褐色,被棕色短茸毛。花期9-10月,果熟期5-6月。【原产地】该种是中国的一个特有种,分布于广西龙州,生长在海拔150-290m的石灰岩常绿阔叶林中。【识别要点】该种嫩叶浅棕色,老叶长卵形;花淡黄色,花梗较长,外轮花瓣有较小紫红色斑块。


» Distribution

广西壮族自治区龙州县至宁明县一带(通常生长在石灰岩山 地上的常绿林下),海拔240~350米。可寻地点:广西壮族自治区龙州县下秀乡陇黎村以及宁明县陇瑞自然保护区。
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