华润楠Machilus chinensis

中文名(Chinese Name):华润楠
学名(Scientific Name):Machilus chinensis (Champ. ex Benth.) Hemsl.
英文名(English Common Name):华润楠、桢南
别名(Chinese Common Name):
异名(Synonym):Persea chinensis (Benth.) Pax
科属(Family & Genus):樟科(L auraceae)润楠属
形态特征(Description):乔木,高约8-11米,无毛。芽细小,无毛或有毛。叶倒卵状长椭圆形至长椭圆状倒 披针形,长5-8(10)厘米,宽2-3(4)厘米,先端钝或短渐尖,基部狭,革质,干时下面稍粉绿色或褐黄色,中脉在上面凹下,下面凸起,侧脉不明显,每边约8条,网状小脉在两面上形成蜂巢状浅窝穴;叶柄长6-14毫米。圆锥花序顶生,2-4个聚集,常较叶为短,长约3.5厘米,在上部分枝,有花6-10朵,总梗约占全长的3/4;花白色,花梗长约3毫米;花被裂片长椭圆状披针形,外面有小柔毛,内面或内面基部有毛,内轮的长约4毫米,宽1.8-2.5毫米,外轮的较短;雄蕊长3-3.5毫米,第三轮雄蕊腺体几无柄,退化雄蕊有毛;子房球形。果球形,直径8-10毫米;花被裂片通常脱落,间有宿存。花期11月,果期次年2月。
分布(Distribution):产广东、广西。生于山坡阔叶混交疏林或矮林中。越南也有分布。
用途(Use):木材坚硬,可作家具。
引自植物志英文版:FOC Vol. 7 Page 203, 220     
Machilus chinensis (Bentham) Hemsley, J. Linn. Soc., Bot. 26: 374. 1891.
华润楠 hua run nan | Lauraceae  | Machilus
Alseodaphne chinensis Bentham, Hooker’s J. Bot. Kew Gard. Misc. 5: 198. 1853; Persea chinensis (Bentham) Pax.
Trees, 8-11 m tall. Branchlets glabrous. Terminal buds small; bud scales glabrous or sometimes with hairs. Petiole 6-14 mm; leaf blade obovate-oblong to oblong-oblanceolate, 5-8(-10) × 2-3(-4) cm, leathery, glabrous on both surfaces, midrib raised abaxially, concave adaxially, lateral veins ca. 8 pairs, reticulate veinlets foveolate on both surfaces, base attenuate, apex obtuse or shortly acuminate. Panicles usually terminal, ca. 3.5 cm, shorter than leaf blade, with 5-10 flowers, branched at upper part of peduncle. Pedicel ca. 3 mm. Flowers white. Perianth lobes slightly unequal, 3.5-4 × 1.8-2.5 mm, puberulent on both surfaces or sometimes glabrate outside. Stamens ca. 3.5 mm; glands of 3rd series almost sessile. Staminodes hairy. Ovary globose. Fruit globose, 8-11 mm in diam.; perianth lobes caducous, rarely persistent in fruiting stage. Fl. Sep, fr. Feb.
Mountain slopes, open or dense mixed broad-leaved forests. Guangdong, Guangxi, Hainan [Vietnam].
华润楠Machilus chinensis

华润楠Machilus chinensis(责任编辑:徐晔春)

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