栏目

多核鹅掌柴Schefflera polypyrena Tseng et Hoo

多核鹅掌柴Schefflera polypyrena Tseng et Hoo

科名:五加科 Araliaceae

属名:鹅掌柴属 Schefflera

《中国植物志》第54卷056页
  35.多核鹅掌柴 鸭脚、泡桐(云南土名)图版7:1-6
  Schefflera polypyrena Tseng & Hoo,植物分类学报增刊1: 139. 1965.
  乔木或灌木,高4-10米;小枝粗壮,无毛,髓实心。叶有5-7小叶;叶柄长19-27厘米,无毛;小叶片纸质,长圆形或长圆状椭圆形,长10-16厘米,宽4.5-6.5厘米,先端短渐尖,基部阔楔形至圆形,稍歪斜,干时上面黑棕色,下面棕色,两面均无毛,中脉和侧脉在上面平坦,下面隆起,侧脉8-11对,网脉不明显;小叶柄不等长,中央的长4-5厘米,两侧的长1-1.5厘米,无毛。圆锥花序侧生,主轴和分枝幼时有小横裂的栓质薄皮,后呈批糠状或鳞片状脱落,脱净的部分变黑色,分枝二叉式;伞形花序总状排列在分枝上,直径1.5-2厘米,有花8-10朵;总花梗扁平,长1.5-2厘米;苞片阔三角形,长3-4毫米;花梗长1-2毫米;小苞片三角状卵形,长约2毫米;花芽椭圆形,长约6毫米;萼阔钟形,长约3毫米,边缘呈微啮蚀状;花瓣7-10,长三角形,长约4毫米,干时黑色,无毛;雄蕊和花瓣同数而等长,花丝基部膨大,上部细尖;子房7-11室;花柱合生成柱状,长约1.5毫米;花盘隆起。果实球形,干时黑色,有明显的7-11稜,直径4毫米;花柱宿存,柱头头状;果梗很短,长仅1-2毫米;分核7-11,扁平。花期10月,果期次年3月。
  产云南(屏边、西畴)。生于疏林中较湿润处,海拔800-1300米。模式标本采自云南屏边。
  本种叶有5-7小叶,干时黑棕色,圆锥花序侧生,花7-11数,果实有多稜,果梗粗短,为国产的鹅掌柴属最独特者。它和印度尼西亚产的Schefflera singalangensis Ridl.相近,但那种植物为附生藤本,小叶片椭圆形且较大。

《Flora of China》 Vol. 13 (2007)
Schefflera brevipedicellata  Harms
多核鹅掌柴   duo he e zhang chai
Schefflera polypyrena C. J. Tseng & G. Hoo; S. menglaensis H. Chu & H. Wang.
Shrubs or small trees, to 10 m tall, hermaphroditic. Petiole 19-30 cm, 2-4 mm in diam. at base; ligule 2-5 mm; petiolules 1-6 cm; leaflets 5-7(-9), oblong or oblong-elliptic, 10-22 × 4.5-11 cm, papery, both surfaces glabrous, secondary veins 8-11 pairs, slightly raised abaxially, tertiary veins inconspicuous, base obtuse to rounded, margin entire, apex acute to shortly acuminate. Inflorescence a pseudo-lateral panicle of umbels, borne below leaves, with brown bark; primary axis to 15 cm, secondary axes to 12 cm; pedicels 1-3 mm. Calyx ca. 3 mm, margin slightly sinuous. Ovary 7-11(-13)-carpellate; styles united into a column, ca. 1.5 mm. Fruit globose, 4-5 mm in diam., 7-11(-13)-ribbed when dry; styles persistent; pedicels 3-8 mm, stout. Fl. Sep-Oct, fr. Nov-Dec, Mar.
Disturbed lands, forests in wet valleys; 800-1300 m. W Guangxi (Jingxi), S Yunnan [Vietnam].

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