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高山榕 Ficus altissima

TAG标签: 桑科 Moraceae Ficus 榕属
时间:2013-10-16 21:37来源:未知 作者:徐晔春 点击:
中文名 ( Chinese Name ): 高山榕 学名 ( Scientific Name ): Ficus altissima Blume 英文名 ( English Common Name ): council tree 别名 ( Chinese Common Name ): 鸡榕 异名 ( Synonym ): Ficus lauifera Roxb. Urostigma altissimum Miq.
中文名Chinese Name):高山榕
学名Scientific Name):Ficus altissima Blume
英文名English Common Name):council tree
别名Chinese Common Name):鸡榕
异名Synonym):Ficus lauifera Roxb.  Urostigma altissimum Miq.  Urostigma lacciferum Miq.
科属Family & Genus):桑科(Moraceae)榕属
形态特征Description):大乔木,高25-30米,胸径40-90厘米;树皮灰色,平滑;幼枝绿色,粗约10毫 米,被微柔毛。叶厚革质,广卵形至广卵状椭圆形,长10-19厘米,宽8-11厘米,先 端钝,急尖,基部宽楔形,全缘,两面光滑,无毛,基生侧脉延长,侧脉5-7对;叶柄 长2-5厘米,粗壮;托叶厚革质,长2-3厘米,外面被灰色绢丝状毛。榕果成对腋生, 椭圆状卵圆形,直径17-28毫米,幼时包藏于早落风帽状苞片内,成熟时红色或带黄色, 顶部脐状凸起,基生苞片短宽而钝,脱落后环状;雄花散生榕果内壁,花被片4,膜质, 透明,雄蕊一枚,花被片4,花柱近顶生,较长;雌花无柄,花被片与瘿花同数。瘦果表 面有瘤状凸体,花柱延长。花期3-4月,果期5-7月。
分布(Distribution):产海南、广西、云南、四川,生于海拔100-2000 米山地或平原。东南亚等地也有。
引自中国植物志英文版:FOC Vol. 5 Page 43
Ficus altissima Blume, Bijdr. Fl. Ned. Ind. 444. 1825.
高山榕 gao shan rong | Moraceae  | Ficus
Trees, 25-30 m tall, d.b.h. 40-90 cm. Bark gray, smooth. Branchlets green, ca. 1 cm thick, pubescent. Stipules 2-3 cm, thickly leathery, with gray silky hairs. Petiole robust, 2-5 cm; leaf blade broadly ovate to broadly ovate-elliptic, 10-19 × 8-11 cm, thickly leathery, glabrous, base broadly cuneate, margin entire, apex obtuse, acute; basal lateral veins long, secondary veins 5-7 on each side of midvein, reticulate venation clearly defined in dry leaf. Figs axillary on leafy branchlets, paired, red or yellow when mature, ellipsoid-ovoid, 1.7-2.8 cm, sometimes pubescent when very young, glabrous when mature, apical pore navel-like, convex, sessile; involucral bracts hoodlike, covering young fig, caducous, apex broadly obtuse, scar ringlike. Male, gall, and female flowers within same fig. Male flowers: scattered; calyx lobes 4, transparent, membranous; stamen 1. Gall flowers: sepals 4; style subapical, long. Female flowers: sessile; sepals 4; style elongated. Achenes tuberculate. Fl. Mar-Apr, fr. May-Jul.
Mountains, plains; 100-2000 m. Guangdong, Guangxi, Hainan, Yunnan [Bhutan, India, Indonesia, Malaysia, Myanmar, Nepal, Philippines, Sikkim, Thailand, Vietnam].




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