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日本扁柏Chamaecyparis obtusa

时间:2018-06-27 09:02来源:未知 作者:徐晔春 点击:
日本扁柏,Chamaecyparis obtusa,白柏,钝叶扁柏
中文名(Chinese Name):日本扁柏
学名(Scientific Name):Chamaecyparis obtusa (Sieb. et Zucc.) Endl.
英文名(English Common Name):
别名(Chinese Common Name):白柏、钝叶扁柏
异名(Synonym):Cupressus obtusa (Siebold et Zucc.) F. Muell.;Retinispora obtusa Siebold et Zucc.;Chamaecyparis breviramea Maxim.;Chamaecyparis pendula Maxim.;Cupressus pendens F. Muell.;Cupressus breviramis F. Muell.;Retinispora obtusa var. breviramea (Maxim.) A.V. Bobrov & Melikyan;Chamaecyparis obtusa var. pendula (Maxim.) Mast.;Chamaecyparis obtusa var. breviramea (Maxim.) Mast.;Chamaecyparis obtusa var. columnaris Uyeki;Chamaecyparis obtusa var. obtusa (Siebold & Zucc.) Endl.;Chamaecyparis obtusa var. fastigiato-ovata Uyeki;Chamaecyparis leptoclada Henkel & W.Hochst.;Chamaecyparis obtusa f. barronii Rehder;Chamaecyparis obtusa f. breviramea (Maxim.) Rehder;Chamaecyparis obtusa f. filicoides (Hartw. & Rümpler) Beissn.;Chamaecyparis obtusa f. pendula (Maxim.) Beissn.;Chamaecyparis obtusa var. ericoides Boehm. ex Beissn.;Chamaecyparis obtusa var. filicoides Hartw. & Rümpler;Chamaecyparis obtusa var. langissimopendula Makino;Chamaecyparis obtusa var. plumosa Carrière;Chamaecyparis obtusa var. similofacifera Makino;Chamaecyparis obtusa var. tsatsumi Slavin;Chamaecyparis tsatsumi (Slavin) Slavin;Chamaepeuce obtusa (Siebold & Zucc.) Zucc. ex Gordon;Cupressus acuta Lavallée;Cupressus breviramea (Maxim.) F.Muell.;Chamaecyparis acuta Beissn.;Chamaecyparis andelyensis Gordon;Chamaecyparis keteleri Standish ex Parl.;Cupressus obtusa subsp. breviramea (Maxim.) Silba;Cupressus obtusa subsp. gigantea Silba;Cupressus obtusa subsp. yokohamaensis Silba;Cupressus obtusa var. pendula (Maxim.) Mast.;Juniperus sanderi Bois;Retinispora filicoides Syme;Retinispora filifera Fowler;Retinispora fusinoki Zucc. ex Gordon;Retinispora monstrosa Carrière;Retinispora tetragona Don ex Gordon;Shishindenia ericoides (Boehm. ex Beissn.) Makino ex Koidz.;Thuja obtusa var. pendula (Maxim.) Mast. 
科属Family & Genus):柏科(Cupressaceae)扁柏属(Chamaecyparis
形态特征Description):乔木,在原产地高达40米;树冠尖塔形;树皮红褐色,光滑,裂成薄片脱落;生鳞叶的小枝条扁平,排成一平面。鳞叶肥厚,先端钝,小枝上面中央之叶露出部分近方形,长1-1.5毫米,绿色,背部具纵脊,通常无腺点,侧面之叶对折呈倒卵状菱形,长约3毫米,小枝下面之叶微被白粉。雄球花椭圆形,长约3毫米,雄蕊6对,花药黄色。球果圆球形,径8-10毫米,熟时红褐色;种鳞4对,顶部五角形,平或中央稍凹,有小尖头;种子近圆形,长2.6-3毫米,两侧有窄翅。花期4月,球果10-11月成熟。
分布(Distribution):原产日本。
用途(Use):作庭园观赏树。供建筑、家具及木纤维工业原料等用。
引自中国植物志英文版FOC Vol. 4
Chamaecyparis obtusa (Siebold & Zuccarini) Endlicher, Syn. Conif. 63. 1847.
日本扁柏 ri ben bian bai | Cupressaceae  | Chamaecyparis
Trees to 40 m tall; trunk to 3 m d.b.h.; bark light reddish brown, peeling off in thin strips; crown narrowly pyramidal; branches drooping to pendulous. Leaves of ultimate branchlets ridged abaxially, apex obtuse or subacute; facial leaves green or yellowish green, rhomboid, 1-1.5 mm, abaxial gland absent; leaves on lower side of branchlets glaucous, with a whitish basal part; lateral leaves 1-3 mm, apex incurved. Pollen cones ellipsoid, ca. 3 mm; microsporophylls ca. 12; pollen sacs yellow. Seed cones reddish brown when ripe, globose, 1-1.2 cm in diam.; cone scales 8-10, each fertile scale with 2-5 seeds. Seeds lustrous reddish brown, obovoid or suborbicular, flattened, 3-3.5 mm in diam., including wings. Pollination Apr, seed maturity Oct-Nov.
Forests in mountain regions, also cultivated for ornament and planted for timber and afforestation; below 2800 m. Native in Taiwan; introduced in Guangdong, Guangxi, Henan, Jiangsu, Jiangxi, Shandong, Yunnan, Zhejiang [Japan].




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