大果山胡椒Lindera praecox

中文名(Chinese Name):大果山胡椒
学名(Scientific Name):Lindera praecox (Sieb. et Zucc.) Bl.
英文名(English Common Name):
别名(Chinese Common Name):油乌药
异名(Synonym):Benzoin praecox Siebold et Zucc.  Parabenzoin praecox (Siebold et Zucc.) Nakai
科属Family & Genus):樟科(Lauraceae)山胡椒属
形态特征Description):落叶灌木,高可达4米;树皮黑灰色。幼枝条纤细,灰青色,多皮孔,有细皱纹,当年生枝褐色,多皮孔,无毛。冬芽长角锥形,长约5毫米。叶互生,卵形或椭圆形,先端渐尖,基部宽楔形,长5=9厘米,宽2.5-4厘米,上面深绿色,下面淡绿色,无毛,羽状脉,通常每边4条,上面稍凹,下面明显凸起;叶柄长0.5-1厘米,无毛,叶冬天枯黄不落,至翌年发叶时落下。伞形花序生于叶芽两侧各一;总苞片4,外露部分无毛,红色,内有花5朵;总花梗无毛,长4-4.5毫米。雄花花被片广椭圆形,外轮长2毫米,宽约1.5毫米,内轮长1.7毫米,宽约1.3毫米,外面无毛或仅有稀疏白柔毛,内面毛较密;雄蕊近等长,无毛,第三轮雄蕊花丝基部着生二个具长柄宽肾形腺体,其形状大小多变异,退化雄蕊长角锥状。雌花花被片广椭圆形,外轮长1.5毫米,宽1毫米,内轮长1.2毫米,宽不及1毫米,外面被稀疏白柔毛,内面毛较密;退化雄蕊条形,第三轮基部着生2个具长柄肾形腺体;雌蕊子房椭圆形,长约1毫米,无毛,花柱长约为子房之半,柱头稍盘状膨大,红褐色;花梗密被白色柔毛。果球形,直径可达1.5厘米,熟时黄褐色;果梗长7-10毫米,有皮孔,向上渐增粗,果托直径近3毫米。花期3月,果期9月。
分布Distribution):产于浙江、安徽、湖北等省。生于低山、山坡灌丛中。
用途(Use):
引自植物志英文版:FOC Vol. 7 Page 143, 146
Lindera praecox (Siebold & Zuccarini) Blume, Mus. Bot. 1: 324. 1851.
大果山胡椒 da guo shan hu jiao | Lauraceae  | Lindera
Benzoin praecox Siebold & Zuccarini, Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4(3): 205. 1846; Parabenzoin praecox (Siebold & Zuccarini) Nakai.
Deciduous shrubs, up to 4 m tall. Bark black-gray. Young branchlets slender, greenish gray, many lenticellate, rugose; current year branchlets brown, many lenticellate, glabrous. Winter buds corniform-conical, ca. 5 mm. Leaves alternate; petiole 0.5-1 cm, glabrous; leaf blade greenish abaxially, dark green adaxially, ovate or elliptic, 5-9 cm × 2.5-4 mm, glabrous, pinninerved, lateral veins 4 pairs, convex abaxially, slightly concave adaxially, base broadly cuneate, apex acuminate. Umbels each inserted at both sides of leaf bud; peduncles glabrous, 4-4.5 mm; involucral bracts 4, red, exserted parts glabrous, 5-flowered inside. Male flowers: tepals broadly elliptic, ca. 2 × 1.5 mm in outer whorl, ca. 1.7 × 1.3 mm in inner whorl, glabrous or laxly white pubescent on outer surface, densely pubescent on inner surface; stamens equal in length, glabrous, 2-glandular at filament base in 3rd whorl; glands broadly reniform, long stipitate, various in shape and size; reduced pistil long corniform-conical. Female flowers: pedicels densely white pubescent; tepals broadly elliptic, ca. 1.5 × 1 mm in outer whorl, ca. 1.2 mm and less than 1 mm wide in inner whorl, laxly white pubescent on outer surface, rather densely pubescent on inner surface; reduced stamens fasciated, 2-glandular at filament base in 3rd whorl; glands reniform, long stipitate; ovary ellipsoid, ca. 1 mm, glabrous; style ca. 1/2 as long as ovary; stigma small, disciform, red-brown. Fruits globose, up to 1.5 cm in diam., yellow-brown at maturity; stipes 7-10 mm, lenticellate, gradually thickened toward apex; hypocarpium nearly 3 mm in diam. Fl. Mar, fr. Sep.
Thickets on hills or mountain slopes. Anhui, Hubei, Zhejiang [Japan].
大果山胡椒Lindera praecox

大果山胡椒Lindera praecox(责任编辑:徐晔春)

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