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中东金花茶 Camellia achrysantha H.T.Chang et S.Y .Liang

Last Updated:2025/2/12 15:57:40 By:wangzhonglang
564

Type Image

Section:Chrysantha

Conservation Status

Remarks:This name is accepted

References

Camellia achrysantha Hung T.Chang & S.Ye Liang  Guangxi Forest. Sci. Technol. 23(1): 52 (1994) Accepted Name

English

» Description

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline,p.90. Flowers are golden yellow, 2.5-4.0 cm in diameter, borne in leaf axils. Pedicels 5-10 mm long, curve downward. Bracts 4-6, inside surface white-puberulent. Sepals 5, outer surface glabrous, inside surface pubescent. Petals 10-13, 1.5-1.8 cm long, 1.2-1.5 cm wide, fleshy, suborbicular to obovate, rounded at the tip. Androecium glabrous, 1.7-2.2 cm long, outer filaments fused at the base into a column 1-2 mm long. Gynoecium 1.8-2.0 cm in length, 3 styles, free, not fused at the base, ovary glabrous. Blooming season: winter to spring. Capsules oblate, 4.0-5.0 cm in diameter, 3 locules, pericarp wall 3-5 mm thick. Seeds yellow-brown-pubescent. Leaves elliptic, tip obtuse-acuminate, base broadly cuneate, 6.0-10.0 cm long, 2.5-4.5 cm wide, margin unclearly serrulate, thinly coriaceous, upper surface with midrib slightly impressed, glabrous, lower surface with midribs raised, glabrous. Petioles 5-7 mm long, glabrous. Shrub up to 2 m tall, young shoots glabrous, older branches glabrous, yellowish-brown in color. Distribution: Under evergreen forest canopy in limestone areas of Fusui County in southern Guangxi; Elevation: 200-300 m; Specific locality: Zhongdong Township, Fusui County, Guangxi, China.

» Distribution

Under evergreen forest canopy in limestone areas of Fusui County in southern Guangxi; Elevation: 200-300 m; Specific locality: Zhongdong Township, Fusui 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90页。花金黄色,花径2.5~4.0厘米,单生于叶腋。花柄长5~10毫米,下弯。苞片4~6枚,内被白色絹毛,萼片5枚,外面无毛,里面有短柔毛。花瓣10-13枚,长1.5~1.8厘米,宽1.2~1.5厘米,肉质,近圆形至倒卵形,先端圆。雄蕊无毛,长1.7~2.2厘米,外轮花丝基部连生1~2毫米。雌蕊长1.8~2厘米,花柱3条,离生,子房无毛。花期冬季至春季。蒴果扁球形,直径4.0~5.0厘米,3室,果皮厚3~5毫米。种子被黄褐色柔毛。叶椭圆形,先端纯尖,基部阔楔形,长6.0~10.0厘 米,宽2.5~4.5厘米,边缘叶齿不明显,薄革质,叶面中脉略凹陷,无毛,叶背中脉凸起,无毛。叶柄长5~7毫米,无毛。灌木,高可达2米,嫩枝无毛,老枝无毛,黄褐色。分布:广西壮族自治区南部的扶绥县(常生长在石灰 岩山地的常绿林下),海拔200-300米。可寻地点:广西壮族自治区扶绥县中东乡。

中东金花茶Camellia achrysantha H.T.Chang et S.Y .Liang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43-45页。【形态特征】常绿灌木,高2.0-4.0m。树皮黄棕色带浅绿色。嫩枝圆柱形,橙棕色,无毛;老枝深棕色。叶芽锥形,浅绿色。嫩叶红棕色。老叶革质,椭圆形,长6.8-10.5cm,宽2.1-4.8cm,叶缘中上部有细锯齿,先端短急尖,基部楔形或宽楔形,正面深绿色,背面浅绿色有黑色腺点,两面均无毛,叶面有光泽;侧脉4-5对;主脉和侧脉在叶面凹陷,在叶背凸起;网脉在叶两面均明显可见;叶柄长0.5-1.1cm,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3.2-4.4cm;花梗长0.7-1.1cm;苞片3-6枚,半圆形;萼片4-5枚,绿色,半圆形,边缘有白色短茸毛,宿存;花瓣11-14枚,外轮花瓣近圆形,内轮花瓣长椭圆形,瓣面脉纹不明显;花丝长2.1-2.3cm4-5轮筒状排列,外轮基部与花瓣合生,内轮离生,无毛;花药黄色,椭圆形;花柱3-4条,长2.3-3.0cm,无毛,离生;子房扁球形,光滑无毛,3-4室。蒴果扁球形,棕色带黄绿色,光滑,直径2.3-4.7cm,高1.8-3.0cm,重17.9-35.6g,果皮厚1.3-2.7mm。种子每室1-3粒,球形、半球形或三角状球形,黑褐色,被棕色茸毛。花期11月至翌年1月,果熟期9-10月。【原产地】该种是中国的一个特有种,分布于广西扶绥,生长在海拔120-230m的石灰岩常绿杂木林中。【识别要点】该种叶片椭圆形,长6.8-10.5cm,宽2.1-4.8cm,叶缘中上 部有细锯齿;花黄色,直径3.2-4.4cm


» Distribution

广西壮族自治区南部的扶绥县(常生长在石灰岩山地的常绿林下),海拔200~300米。可寻地点:广西壮族自治区扶绥县中东乡。
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