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广宁红花油茶Camellia semiserrata

时间:2013-11-09 22:07来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 广宁红花油茶 学名( Scientific Name ): Camellia semiserrata Chi 英文名( English Common Name ): 别名( Chinese Common Name ): 南山茶 异名( Synonym ): Camellia trichosperma H. T. Chang Camellia phellocaps
中文名(Chinese Name):广宁红花油茶
学名(Scientific Name):Camellia semiserrata Chi
英文名(English Common Name):
别名(Chinese Common Name):南山茶
异名(Synonym):Camellia trichosperma H. T. Chang  Camellia phellocapsa H. T. Chang et B. K. Lee  Camellia semiserrata f. albiflora (Hu et T. C. Huang) T. L. Ming  Camellia multiperulata H. T. Chang  Camellia semiserrata var. albiflora S.Y.Hu & T.C.Huang
科属(Family & Genus):山茶科(Theaceae)山茶属
形态特征(Description):小乔木,高8-12米,胸径50厘米,嫩枝无毛。叶革质,椭圆形或长圆形,长9-15厘米,宽3-6厘米,先端急尖,基部阔楔形,上面深绿色,干后浅绿色,稍暗晦,无毛,下面同色,无脉,侧脉7-9对,在上面略陷下,在下面突起,网脉不明显,边缘上半部或1/3有疏而锐利的锯齿,齿刻相隔4-7毫米,齿尖长1-2毫米,叶柄长1-1.7毫米,粗大,无毛。花顶生,红色,无柄,直径7-9厘米;苞片及萼片11片,花开后脱落,半圆形至圆形,最下面2-3片较短小,长3-5毫米,宽6-9毫米,其余各片长1-2厘米,外面有短绢毛,边缘薄;花瓣6-7片,红色,阔倒卵圆形,长4-5厘米,宽3.5-4.5厘米,基部连生约7-8毫米;雄蕊排成5轮,长2.5-3厘米,外轮花丝下部2/3连生,游离花丝无毛,内轮雄蕊离生;子房被毛,花柱长4厘米,顶端3-5浅裂,无毛或近基部有微毛。蒴果卵球形,直径4-8厘米,3-5室,每室有种子1-3粒,果皮厚木质,厚1-2厘米,表面红色,平滑,中轴长4-5厘米,种子长2.5-4厘米。
分布(Distribution):产广东及广西,海拔200-350米山地。
引自中国植物志英文版:FOC Vol. 12 Page 403, 405 
Camellia semiserrata C. W. Chi, Sunyatsenia. 7: 15. 1948.
南山茶 nan shan cha| Theaceae  | Camellia
Trees, 7-15 m tall. Young branches grayish brown; current year branchlets purplish brown, thick, glabrous. Petiole 1-1.5 cm, glabrous, adaxially grooved; leaf blade elliptic to oblong-elliptic, 9-15 × 4-7(-9) cm, rigidly leathery, abaxially pale green and becoming pale brown when dry, adaxially dark green, both surfaces glabrous, midvein yellow, thick, abaxially elevated, and adaxially level or slightly raised, secondary veins 6-9 on each side of midvein, abaxially raised, and adaxially slightly raised, base broadly cuneate to obtuse, margin entire on basal 1/2 and serrate on apical 1/2, apex shortly caudate to caudate and with an obtuse tip. Flowers axillary or subterminal, solitary or paired, 6-8 cm in diam., subsessile. Bracteoles and sepals 9-11 or more; outer 3-5 bracteoles and sepals ± persistent, lunate to semiorbicular, 3-6 mm; inner bracteoles and sepals orbicular to broadly obovate, 1.5-2 cm, thickly leathery, glabrous or grayish white velutinous but glabrescent, margin membranous and ciliolate. Petals 6-8, rose or rarely white, broadly obovate, 4-6 × 3.5-4 cm, apex emarginate; outer 2 or 3 petals almost distinct; inner petals basally connate for 6-8 mm. Stamens 2.5-3.5 cm, glabrous; outer filament whorl basally connate for 1.5-2.5 cm. Ovary ovoid, 3-4 mm in diam., basally pale yellow tomentose or subglabrous, apically glabrous, 3-5-loculed; style 2.5-3 cm, glabrous, apically 3-5-parted. Capsule ovoid, 6-8(-12) × 5-6(-12) cm, 3-5-loculed with 1-3(-5) seeds per locule; pericarp 1-1.5 cm thick, woody. Seeds brown, 1.5-2 × 1.5-2 cm, yellow pilose. Fl. Jan-Mar, fr. Sep-Oct. 2n = 30*.
● Forests, forests along river valleys; 200-800 m. Guangdong, E and N Guangxi.
 






 
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