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窄叶柃Eurya stenophylla

时间:2013-11-09 21:24来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 窄叶柃 学名( Scientific Name ): Eurya stenophylla Merr. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Eurya longistyla H. T. Chang 科属( Family Genus ): 山茶科(Theac
中文名(Chinese Name):窄叶柃
学名(Scientific Name):Eurya stenophylla Merr.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Eurya longistyla H. T. Chang
科属(Family & Genus):山茶科(Theaceae)柃木属
形态特征(Description):灌木,高0.5-2米,全株无毛;嫩枝黄绿色,有2棱,小枝灰褐色;顶芽披针形。叶革质或薄革质,狭披针形,有时为狭倒披针形,长3-6厘米,宽1-1.5厘米,顶端锐尖或短渐尖,基部楔形至阔楔形,边缘有钝锯齿,上面深绿色,有光泽,下面淡绿色,两面无毛,中脉在上面凹下,下面凸起,侧脉6-8对,在上面不明显,有时稍凹下,在下面略明显且稍隆起;叶柄长约1毫米。花1-3朵簇生于叶腋,花梗长3-4毫米,无毛。雄花:小苞片2,圆形,长约0.5毫米,顶端圆,有小突尖;萼片5,近圆形,长约3毫米,顶端圆,无毛;花瓣5,倒卵形,长5-6毫米;雄蕊14-16枚,花药不具分格,退化子房无毛。雌花的小苞片与雄花同;萼片5,卵形,长约1.5毫米,无毛;花瓣5,白色,卵形,长约5毫米;子房卵形,无毛,花柱长约2.5毫米,顶端3裂。果实长卵形,长5-6毫米,直径3-4毫米。花期10-12月,果期次年7-8月。
分布(Distribution):产于湖北、广东、广西、四川、贵州等地,多生于海拔250-1500米山坡溪谷路旁灌丛中。
引自中国植物志英文版:FOC Vol. 12 Page 448, 461, 468
Eurya stenophylla Merrill, Philipp. J. Sci. 21: 502. 1922.
窄叶柃 zhai ye ling| Theaceae  | Eurya
Shrubs 0.5-2 m tall. Young branches grayish brown, glabrous; current year branchlets yellowish green, 2-ribbed, glabrous or pubescent; terminal buds glabrous or pubescent. Petiole 1-4 mm, glabrous or pubescent; leaf blade narrowly lanceolate to oblanceolate, 3-6(-11) × 1-1.5 cm, leathery to thinly leathery, abaxially pale green, adaxially dark green and shiny, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 6-8 on each side of midvein, abaxially slightly raised, and adaxially obscure or slightly impressed, base cuneate to broadly cuneate, margin obtusely serrate, apex acute, shortly acuminate, or caudate-acuminate. Flowers axillary, solitary or to 3 in a cluster. Pedicel 3-4 mm, glabrous or pubescent. Male flowers: bracteoles orbicular, ca. 0.5 mm, glabrous or pubescent, apex rounded and mucronate; sepals suborbicular, ca. 3 mm, glabrous, apex rounded; petals obovate, 5-6 mm; stamens 14-16; anthers not locellate; pistillode glabrous. Female flowers: bracteoles similar to those of male flowers; sepals ovate, ca. 1.5 mm, glabrous; petals ovate, ca. 5 mm; ovary glabrous, 3-loculed; style ca. 2.5 mm, apically 3-lobed. Fruit long ovoid, 5-6 × 3-4 mm. Fl. Oct-Feb, fr. Jul-Sep.
Thickets on mountain slopes or in valleys; 200-1500 m. Guangdong, Guangxi, SW and W Guizhou, W Hubei, S Sichuan [N Vietnam].
 


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