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金花茶Camellia petelotii

时间:2013-11-09 21:15来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 金花茶 学名( Scientific Name ): Camellia petelotii (Merr.) Sealy 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Camellia Sect. Chrysantha H. T. Chang Camellia achrysantha
中文名(Chinese Name):金花茶
学名(Scientific Name):Camellia petelotii (Merr.) Sealy
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Camellia Sect. Chrysantha H. T. Chang  Camellia achrysantha H. T. Chang et S. Y. Ling  Camellia nitidissima Chi  Camellia nitidissima var. phaeopubisperma S. Yun Liang et Z. H. Tang  Camellia chrysantha f. longistyla S. L. Mo et Y. C. Zhong  Thea petelotii Merr.  Theopsis chrysantha Hu  Camellia chrysantha (Hu) Tuyama 
科属(Family & Genus):山茶科(Theaceae)山茶属
形态特征(Description):灌木,高2-3米,嫩枝无毛。叶革质,长圆形或披针形,或倒披针形,长11-16厘米,宽2.5-4.5厘米,先端尾状渐尖,基部楔形,上面深绿色,发亮,无毛,下面浅绿色,无毛,有黑腺点,中脉及侧脉7对,在上面陷下,在下面突起,边缘有细锯齿,齿刻相隔1-2毫米,叶柄长7-11毫米,无毛。花黄色,腋生,单独,花柄长7-10毫米;苞片5片,散生,阔卵形,长2-3毫米,宽3-5毫米,宿存;萼片5片,卵圆形至圆形,长4-8毫米,宽7-8毫米,基部略连生,先端圆,背面略有微毛;花瓣8-12片,近圆形,长1.5-3厘米,宽1.2-2厘米,基部略相连生,边缘有睫毛;雄蕊排成4轮,外轮与花瓣略相连生,花丝近离生或稍连合,无毛,长1.2厘米;子房无毛,3-4室,花柱3-4条,无毛,长1.8厘米。蒴果扁三角球形,长3.5厘米,宽4.5厘米,3爿裂开,果爿厚4-7毫米,中轴3-4角形,先端3-4裂;果柄长1厘米,有宿存苞片及萼片;种子6-8粒,长约2厘米。花期11-12月。
分布(Distribution):产广西,越南北部也有。
引自中国植物志英文版:FOC Vol. 12 Page 367, 368, 369
Camellia petelotii (Merrill) Sealy, Kew Bull. 4: 219. 1949.
金花茶 jin hua cha| Theaceae  | Camellia
Shrubs or trees, (1.5-)2-5 m tall. Young branches grayish brown; current year branchlets purplish brown, 2-3 mm thick, glabrous. Petiole 1-2 cm, glabrous; leaf blade elliptic, oblong-elliptic, or oblong, 9-18(-23) × 3-6(-7.5) cm, leathery, abaxially pale green, brown glandular punctate, and becoming pale brown when dry, adaxially dark green and shiny, both surfaces glabrous, midvein abaxially elevated and adaxially flat or slightly impressed, secondary veins 8-10 on each side of midvein, abaxially elevated, and adaxially impressed, base broadly cuneate to subrounded, margin serrulate, apex shortly caudate. Flowers axillary or subterminal, solitary or paired, (2-)5-6 cm in diam. Pedicel (5-)10-15 mm, erect, apically thickened; bracteoles (6-)8-10, spreading, not covering pedicel, lunate to broadly ovate, 2-3 × 3-5 mm, leathery, glabrous, margin ciliolate. Sepals 5, ovate to broadly ovate, (4-)6-8 × 6-9 mm, leathery, glabrous or inside white puberulent, margin ciliolate. Petals 10-14, golden yellow, fleshy; outer 4 or 5 petals broadly elliptic to suborbicular, 1.5-2 × 1-1.5 cm, margin ciliolate; inner petals elliptic to oblong-elliptic, 2-3.5 × 1.4-1.8 cm, basally connate for 6-8 mm. Stamens numerous, 2-2.5 cm, glabrous; outer filament whorl basally connate into a 7-10 mm tube. Ovary globose, ca. 2.5 mm in diam., glabrous, 3-loculed; styles 3, distinct, 1.5-2 cm. Capsule oblate, (1.2-)2.5-3.5 × (1.5-)4-6 cm, (2 or)3-loculed with 3 seeds per locule, apex sunken; pericarp 3-5 mm thick when dry, woody. Seeds brown, hemispherical, 1.5-2 cm in diam., sparsely yellowish brown pilose. Fl. Nov-Feb, fr. Sep-Nov. 2n = 30.
Forests in river valleys or along streams; 100-900 m. S Guangxi [N Vietnam].






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