连香树Cercidiphyllum japonicum

中文名(Chinese Name):连香树
学名(Scientific Name):Cercidiphyllum japonicum Siebold & Zucc. ex J.J.Hoffm. & J.H.Schult.bis
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym)::Cercidiphyllum japonicum var. sinense Rehder et E. H. Wilson  Cercidiphyllum japonicum f. miquelianum Inokuma  Cercidiphyllum japonicum f. pendulum (Miyoshi ex Makino & Nemoto) Ohwi  Cercidiphyllum japonicum var. pendulum Miyoshi ex Makino & Nemoto  Cercidiphyllum magnificum f. pendulum (Miyoshi ex Makino & Nemoto) Spongberg  Cercidiphyllum ovale Maxim.
科属(Family & Genus):连香树科Cercidiphyllaceae连香树属Cercidiphyllum
形态特征(Description):落叶大乔木,高10-20米,少数达40米;树皮灰色或棕灰色;小枝无毛,短枝在长枝上对生;芽鳞片褐色。叶:生短枝上的近圆形、宽卵形或心形,生长枝上的椭圆形或三角形,长4-7厘米,宽3.5-6厘米,先端圆钝或急尖,基部心形或截形,边缘有圆钝锯齿,先端具腺体,两面无毛,下面灰绿色带粉霜,掌状脉7条直达边缘;叶柄长1-2.5厘米,无毛。雄花常4朵丛生,近无梗;苞片在花期红色,膜质,卵形;花丝长4-6毫米,花药长3-4毫米;雌花2-6(-8)朵,丛生;花柱长1-1.5厘米,上端为柱头面。蓇葖果2-4个,荚果状,长10-18毫米,宽2-3毫米,褐色或黑色,微弯曲,先端渐细,有宿存花柱;果梗长4-7毫米;种子数个,扁平四角形,长2-2.5毫米(不连翅长),褐色,先端有透明翅,长3-4毫米。花期4月,果期8月。
分布(Distribution):产山西西南部、河南、陕西、甘肃、安徽、浙江、江西、湖北及四川。生在山谷边缘或林中开阔地的杂木林中,海拔650-2700米。日本有分布。
用途(Use):本种树干高大,寿命长,可供观赏;树皮及叶均含鞣质,可提制栲胶。
引自中国植物志英文版:FOC Vol. 6 Page 126     
Cercidiphyllum japonicum Siebold & Zuccarini, Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4(3): 238. 1846.
连香树 lian xiang shu | Cercidiphyllaceae  | Cercidiphyllum
Cercidiphyllum japonicum var. sinense Rehder & E. H. Wilson.
Trees, 10--20 m tall. Branchlets glabrous. Leaves dimorphic; leaf blade glabrous or abaxially hairy in axils of basal veins; veins ca. 5--7, abaxially slightly prominent. Long shoot leaves: petiole 1.5--2 cm; leaf blade 3.2--4.5 × 1.9--3.2 cm, ovate, elliptic, or obovate, base rounded, truncate, or slightly cuneate, margin entire or finely serrate, apex acute. Short shoot leaves: petiole 1.4--4.7 cm; leaf blade 3.7--9 × 5--8.3 cm, ovate to reniform, base cordate, margin crenate, apex rounded. Staminate flowers: stamens ca. 9 mm; filaments filiform; anthers pink, 3--4 mm, narrowly oblong, longitudinally dehiscent, apex short apiculate. Pistillate flowers: carpel 1--1.5 cm; stigma red, decurrent, 2-ridged. Follicle brown to black, oblong, 10--18 × 2--3 mm, with a short persistent style. Seeds brown, flat, trapezoidal, 4--5 mm, winged; wing at the proximal end, 3--4 mm. Fl. Apr, fr. Aug. 2n = 38.
Forests, forest margins, by streams; 600--2700 m. S and W Anhui, S Gansu, NE Guizhou, SW Henan, Hubei, NW Hunan, N Jiangxi, S Shaanxi, SW Shanxi, Sichuan, NE Yunnan, NW Zhejiang [Japan].
连香树Cercidiphyllum japonicum
 
连香树Cercidiphyllum japonicum

连香树Cercidiphyllum japonicum


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