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浙江楠Phoebe chekiangensis

时间:2013-09-26 12:13来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):浙江楠 学名( Scientific Name ): Phoebe chekiangensis C. B. Shang 英文名( English Common Name ): 别名( Chinese Common Name ): 紫楠,浙紫楠 异名( Synonym ): 科属( Family Genus ): 樟科(Lauraceae)楠属
中文名(Chinese Name):浙江楠
学名(Scientific Name):Phoebe chekiangensis C. B. Shang
英文名(English Common Name):
别名(Chinese Common Name):紫楠,浙紫楠
异名(Synonym):
科属(Family & Genus):樟科(Lauraceae)楠属
形态特征(Description):大乔木,树干通直,高达20米,胸径达50厘米;树皮淡褐黄色,薄片状脱落,具明显的褐色皮孔。小枝有棱,密被黄褐色或灰黑色柔毛或绒毛。叶革质,倒卵状椭圆形或倒卵状 披针形,少为披针形,长7-17厘米,宽3-7厘米,通常长8-13厘米,宽3.5-5厘米,先端突渐尖或长渐尖,基部楔形或近圆形,上面初时有毛,后变无毛或完全无毛,下面被灰褐色柔毛,脉上被长柔毛,中、侧脉上面下陷,侧脉每边8-10条,横脉及小脉多而密,下面明显;叶柄长1-1.5厘米,密被黄褐色绒毛或柔毛。圆锥花序长5-10厘米,密被黄褐色绒毛;花长约4毫米,花梗长2-3毫米;花被片卵形,两面被毛,第一、二轮花丝疏被灰白色长柔毛,第三轮密被灰白色长柔毛,退化雄蕊箭头形,被毛;子房卵形,无毛,花柱细,直或弯,柱头盘状。果椭圆状卵形,长1.2-1.5厘米,熟时外被白粉;宿存花被片革质,紧贴。种子两侧不等,多胚性。花期4-5月,果期9-10月。
分布(Distribution):产浙江西北部及东北部、福建北部、江西东部。生于山地阔叶林中,也有栽培。
用途(Use):本种树干通直,材质坚硬,可作建筑、家具等用材。树身高大,枝条粗壮,斜伸,雄伟壮观,叶四季青翠,可作绿化树种。
引自植物志英文版:FOC Vol. 7 Page 191, 197
Phoebe chekiangensis P. T. Li, J. S. China Agric. Univ. 21(4): 59. 2000.
浙江楠 zhe jiang nan| Lauraceae  | Phoebe
Large trees, to 20 m tall; trunk straight, to 50 cm d.b.h. Bark yellowish brown with distinct brown lenticels. Branchlets angular, densely yellowish brown or gray blackish pubescent or tomentose. Petiole 1-1.5 cm, densely yellowish brown pubescent or tomentose; leaf blade obovate-elliptic or obovate-lanceolate, rarely lanceolate, 7-17 × 3-7 cm, usually 8-13 × 3.5-5 cm, leathery, abaxially grayish brown pubescent and villous on veins, adaxially hairy, becoming glabrate or glabrous, midrib and lateral veins adaxially impressed, lateral veins 8-10 pairs, veinlets dense, abaxially conspicuous, base cuneate or subrounded, apex acute-acuminate or long acuminate. Panicles 5-10 cm, densely yellowish brown tomentose. Pedicel 2-3 mm. Flowers ca. 4 mm. Perianth lobes ovate, hairy on both surfaces. Filaments gray-white villous. Staminodes sagittate, hairy. Ovary ovoid, glabrous; style slender; stigma dish-shaped. Fruit ellipsoid-ovoid, 1.2-1.5 cm, white farinose when mature; persistent perianth lobes leathery, clasping base of fruit. Seed with numerous embryos, unequal on both sides. Fl. Apr-May, fr. Sep-Oct.
● Wild or cultivated, former ones growing in broad-leaved mountain forests. N Fujian, E Jiangxi, N Zhejiang.
This name was originally published by C. B. Shang (Acta Phytotax. Sin. 12: 295. 1974) but not validly so because two gatherings were indicated as types (Vienna Code, Art. 37.2).



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