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凹脉金花茶Camellia impressinervis

时间:2013-11-09 21:13来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 凹脉金花茶 学名( Scientific Name ): Camellia impressinervis H. T. Chang et S. Y. Liang 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 山茶科(The
中文名(Chinese Name):凹脉金花茶
学名(Scientific Name):Camellia impressinervis H. T. Chang et S. Y. Liang
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):山茶科(Theaceae)山茶属
形态特征(Description):灌木,高3米,嫩枝有短粗毛,老枝变秃。叶革质,椭圆形,长12-22厘米,宽5.5-8.5厘米,先端急尖,基部阔楔形或窄而圆,上面深绿色,干后橄榄绿色,有光泽,下面黄褐色,被柔毛,至少在中脉及侧脉上有毛,有黑腺点,侧脉10-14对,与中脉在上面凹下,在下面强烈突起,边缘有细锯齿,齿刻相隔2-3毫米,叶柄长1厘米,上面有沟,无毛,下面有毛。花1-2朵腋生,花柄粗大,长6-7毫米,无毛;苞片5片,新月形,散生于花柄上,无毛,宿存;萼片5,半圆形至圆形,长4-8毫米,无毛,宿存,花瓣12片,无毛。雄蕊近离生,花丝无毛;子房无毛,花柱2-3条,无毛。蒴果扁圆形,2-3室,室间凹入成沟状2-3条,三角扁球形或哑铃形,高1.8厘米,宽3厘米,每室有种子1-2粒,果爿厚1-1.5毫米,有宿存苞片及萼片;种子球形,宽1.5厘米。花期1月。
分布(Distribution):产广西石灰岩山地常绿林中。
引自中国植物志英文版:FOC Vol. 12 Page 368, 369 
Camellia impressinervis Hung T. Chang & S. Ye Liang, Acta Sci. Nat. Univ. Sunyatseni. 18(3): 72. 1979.
凹脉金花茶 ao mai jin hua cha| Theaceae  | Camellia
Shrubs or trees, 1.5-5 m tall. Young branches grayish brown, glabrous; current year branchlets purplish brown, yellow pubescent; terminal buds oblong, large, glabrous. Petiole ca. 1 cm, pubescent, adaxially grooved; leaf blade elliptic to oblong-elliptic, 12-18(-22) × 3-8.5 cm, leathery, abaxially pale green, reddish brown glandular punctate, and sparsely pubescent, adaxially dark green, shiny, and glabrous, midvein abaxially elevated and adaxially channeled, secondary veins 9-11 on each side of midvein, abaxially elevated, and adaxially impressed, base rounded to obtuse, margin serrulate, apex abruptly shortly caudate to caudate. Flowers axillary, solitary, ca. 5 cm in diam. Pedicel ca. 5 mm; bracteoles 5 or 6, ± covering pedicel, lunate, 1-2.5 mm, glabrous, margin ciliolate. Sepals 5, ovate to broadly ovate, 6-10 mm, glabrous, margin ciliolate. Petals 11 or 12, yellow; outer 4 or 5 petals obovate to obovate-elliptic, 1.3-2 × 0.9-1.5 cm, nearly distinct; inner petals obovate, ca. 3 × 1.5-1.8 cm, basally connate for 4-5 mm, apex rounded. Stamens ca. 2 cm, glabrous; outer filament whorl basally connate into a ca. 5 mm tube. Ovary ovoid, ca. 2 mm in diam., glabrous, 3-loculed; styles 3, distinct, 2-2.3 cm. Capsule oblate, 2-coccal, ca. 3 cm in diam., glabrous; pericarp 1-1.5 mm thick. Seeds brown, pubescent. Fl. Jan-Mar, fr. Oct. 2n = 30*.
● Evergreen broad-leaved forests on calcareous hills; 100-500 m. Guangxi (Longzhou).
 


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