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棱枝槲寄生Viscum diospyrosicola

时间:2013-09-26 14:30来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):棱枝槲寄生 学名( Scientific Name ): Viscum diospyrosicola Hayata 英文名( English Common Name ): 别名( Chinese Common Name ): 柿寄生、桐木寄生 异名( Synonym ): Viscum filipendulum Hayata 科属( Family G
中文名(Chinese Name):棱枝槲寄生
学名(Scientific Name):Viscum diospyrosicola Hayata
英文名(English Common Name):
别名(Chinese Common Name):柿寄生、桐木寄生
异名(Synonym):Viscum filipendulum Hayata
科属(Family & Genus):桑寄生科(Loranthaceae)槲寄生属
形态特征(Description):亚灌木,高0.3-0.5米,直立或披散,枝交叉对生或二歧地分枝,位于茎基部或中部以下的节间近圆柱状,小枝的节间稍扁平,长1.5-2.5(-3.5)厘米,宽2-2.5毫米,干后具明显的纵肋2-3条。幼苗期具叶2-3对,叶片薄革质,椭圆形或长卵形,长1-2厘米,宽3.5-6毫米,顶端钝,基部狭楔形;基出脉3条;成长植株的叶退化呈鳞片状。聚伞花序,1-3个腋生,总花梗几无;总苞舟形,长1-1.5毫米,具花3-1朵;3朵花时中央1朵为雌花,侧生的为雄花,通常仅具1朵雌花或雄花;雄花:花蕾时卵球形,长1-1.5毫米,萼片4枚,三角形;花药圆形,贴生于萼片下半部;雌花:花蕾时椭圆状,长1.5-2毫米,基部具环状苞片或无;花托椭圆状;萼片4枚,三角形,长约0.5毫米;柱头乳头状。果椭圆状或卵球形,长4-5毫米,直径3-4毫米,黄色或橙色,果皮平滑。花果期4-12月。
分布(Distribution):产西南、华东、华南、甘肃、湖北、湖南、江西、陕西,生海拔20- 2100米平原或山地常绿阔叶林中,寄生于柿树、樟树、梨树等多种植物上。
用途(Use):
引自植物志英文版:FOC Vol. 5 Page 245
Viscum diospyrosicola Hayata, Icon. Pl. Formosan. 5: 192. 1915.
柿寄生 shi ji sheng| Viscaceae  | Viscum
Viscum filipendulum Hayata.
Subshrubs monoecious, usually becoming pendulous, yellowish green, 20-50 cm tall. Branches opposite and decussate or dichotomous, subterete, branchlets flattened; internodes 1.5-2.5(-3.5) cm × 2-2.5 mm, longitudinally 2-3-ridged. Leaves scale-like or 2-3 pairs in seedling, elliptic or oblong-ovate, 1-2 × 0.3-0.6 cm, 3-veined, base cuneate, apex obtuse. Inflorescences axillary, cymes solitary or to 3 together; peduncle ± absent; 3-flowered, central flower female; lateral 2 flowers male, usually only 1 female or male flower; involucre navicular, 1-1.5 mm. Male flowers ovoid in bud, 1-1.5 mm. Anthers circular. Female flower ellipsoid in bud, 1.5-2 mm; bract annular or absent; perianth lobes 4, triangular, ca. 0.5 mm. Stigma nipple-shaped. Berry yellow or orange, ellipsoid or ovoid, 4-5 × 3-4 mm, smooth, base rounded. Fl. and fr. Apr-Dec.
* Forests, plains, mountain slopes, valleys; 100-2100 m. Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Shaanxi, Sichuan, Taiwan, Xizang (Zayü), Yunnan, Zhejiang.
The plants have medicinal uses and are parasitic on Cinnamomum camphora, Diospyros kaki, Pyrus pyrifolia, Vernicia fordii, V. montana, and species of Fagaceae.
Viscum angulatum Heyne ex Candolle does not occur within the Flora area, and the records from Taiwan are based on misidentifications of V. diospyrosicola.





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