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浙江润楠Machilus chekiangensis

时间:2013-09-26 12:19来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):浙江润楠 学名( Scientific Name ): Machilus chekiangensis S. Lee 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Persea longipedunculata (S. K. Lee et F. N. Wei) Kosterm. Ma
中文名(Chinese Name):浙江润楠
学名(Scientific Name):Machilus chekiangensis S. Lee
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym): Persea longipedunculata (S. K. Lee et F. N. Wei) Kosterm.  Machilus longipedunculata S. K. Lee et F. N. Wei  Persea chekiangensis (S. K. Lee) Kostermans
科属Family & Genus):樟科(Lauraceae)润楠属
形态特征Description):乔木。枝褐色,散布纵裂的唇形皮孔,在当年生和一、二年生枝的基部遗留有顶芽鳞片数轮的疤痕,疤痕高3-4毫米。叶常聚生小枝枝梢,倒披针形,长6.5-13厘米,宽2-3.6厘米,先端尾状渐尖,尖头常呈镰状,基部渐狭,革质或薄革质,梢头的叶干时有时呈黄绿色,叶下面初时有贴伏小柔毛,中脉在上面稍凹下,下面突起,侧脉每边10-12条,小脉纤细,在两面上构成细密的蜂巢状浅穴;叶柄纤细,长8-15毫米。花未见。果序生当年生枝基部,纤细,长7-9厘米,有灰白色小柔毛,自中部或上部分枝,总梗长3-5.5厘米,最下的分枝长约6-10毫米。嫩果球形,绿色,直径约6毫米,干时带黑色;宿存花被裂片近等长,长约4毫米,两面都有灰白色绢状小柔毛,内面的毛较疏,果梗稍纤细,长约5毫米。果期6月。
分布(Distribution):产浙江、香港、福建、广东等地。
用途(Use):
引自植物志英文版FOC Vol. 7 Page 203, 217
Machilus chekiangensis S. K. Lee, Acta Phytotax. Sin. 17(2): 53. 1979.
浙江润楠 zhe jiang run nan| Lauraceae  | Machilus
Machilus longipedunculata S. K. Lee & F. N. Wei; Persea chekiangensis (S. K. Lee) Kostermans; P. longipedunculata (S. K. Lee & F. N. Wei) Kostermans.
Trees, 4-10 m tall. Bark brownish. Branchlets glabrous. Leaves usually congested at apex of branchlet; petiole 8-15 mm, glabrous; leaf blade oblanceolate or elliptic to elliptic-lanceolate, leathery, abaxially glabrous, rarely appressed puberulent, adaxially glabrous, midrib abaxially elevated, adaxially somewhat impressed, lateral veins 10-12 pairs, veinlets slender, slightly foveolate on both surfaces, base attenuate, apex usually abruptly cuspidate, rarely acuminate, summit obtuse. Panicles arising from base of newly sprouted branchlet, gray pubescent or glabrate, variable in length, 7-18 cm; peduncle (3-)5.5-11 cm, slender to lignescent. Flowers yellowish green, ca. 4 mm. Perianth lobes subequal to equal, oblong (when dry), ca. 4 × 1.2 mm, pubescent on both surfaces. Filaments glabrous or sparsely puberulent at base; glands of 3rd series subsessile. Staminodes sagittate, hairy at base. Ovary ovoid. Fruit globose, ca. 7 mm in diam.; persistent perianth gray pubescent on both surfaces; fruiting pedicel together with peduncle purplish red when fresh. Fl. Feb, fr. Apr-May.
● Mixed broad-leaved forests. Fujian, Hong Kong, Zhejiang.





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