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北江荛花Wikstroemia monnula

时间:2013-11-11 15:13来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 北江荛花 学名( Scientific Name ): Wikstroemia monnula Hance 英文名( English Common Name ): 别名( Chinese Common Name ): 地棉根、山谷麻 异名( Synonym ): Wikstroemia stenantha Hemsl. Daphne monnula (Han
中文名(Chinese Name):北江荛花
学名(Scientific Name):Wikstroemia monnula Hance
英文名(English Common Name):
别名(Chinese Common Name):地棉根、山谷麻
异名(Synonym):Wikstroemia stenantha Hemsl.  Daphne monnula (Hance) Halda
科属(Family & Genus):瑞香科Thymelaeaceae荛花属Wikstroemia
形态特征(Description):灌木,高0.5-0.8米;枝暗绿色,无毛,小枝被短柔毛。叶对生或近对生,纸质或坚纸质,卵状椭圆形至椭圆形或椭圆状披针形,长1-3.5厘米,宽0.5-1.5厘米,先端尖,基部宽楔形或近圆形,上面干时暗褐色,无毛,下面色稍淡,在脉上被疏柔毛,侧脉纤细,每边4-5条;叶柄短,约长1-1.5毫米。总状花序顶生,有(8-)-12花;花细瘦,黄带紫色或淡红色,花萼外面被白色柔毛,长0.9-1.1厘米,顶端4裂,裂片先端微钝;雄蕊8,2列,上列4枚在花萼筒喉部着生,下列4枚在花萼筒中部着生;子房具柄,顶端密被柔毛;花柱短,柱头球形,顶基压扁,花盘鳞片1-2枚,线状长圆形或长方形,顶端啮蚀状。果干燥,卵圆形,基部为宿存花萼所包被。4-8月开花,随即结果。
分布(Distribution):产广东、广西、贵州、湖南、浙江。喜生于海拔650-1100米的山坡、灌丛中或路旁。模式标本采自广东北江。
用途(Use):韧皮纤维可作人造棉及高级纸的原料。
引自中国植物志英文版:FOC Vol. 13 Page 217, 221   
Wikstroemia monnula Hance, J. Bot. 16: 13. 1878.
北江荛花 bei jiang rao hua| Thymelaeaceae  | Wikstroemia
Shrubs 0.5-0.8 m tall. Branches yellowish green, turning dark purple, angular, pubescent. Leaves opposite to alternate; petiole short, 1-1.5 mm; leaf blade dark brown adaxially when dried, light brown abaxially, ovate-elliptic to elliptic or elliptic-lanceolate, 1-3.5 × 0.5-1.5 cm, papery or stiffly so, abaxially puberulous at least on veins, adaxially glabrous, base broadly cuneate or subrounded, apex acute; lateral veins 4 or 5 pairs, slender. Inflorescences terminal, often on short lateral branches, densely shortly racemose, (8-)12-flowered, pedunculate. Pedicel short. Calyx purplish red; tube 9-12 mm, slender, exterior white pubescent; lobes 4, ovate, 1-2 mm, apex slightly obtuse. Stamens 8, lower whorl inserted at middle of calyx tube, upper whorl at throat; upper anthers almost exserted from calyx tube. Disk scales 1-3, unequal, linear-oblong to broadly ovate, apex 3-lobed or -dentate. Ovary narrowly obovoid, ca. 4 mm, stipitate, apex puberulous; style very short; stigma depressed-globose. Drupe dry, ovoid-globose, enclosed by persistent calyx. Fl. and fr. Apr-Aug.
● Shrubby slopes, roadsides; 600-1100 m. S Anhui, Guangdong, Guangxi, Guizhou, Hunan, Zhejiang.
 




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