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日本小檗Berberis thunbergii

时间:2013-12-04 16:35来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):日本小檗 学名( Scientific Name ): Berberis thunbergii DC. 英文名( English Common Name ): Japanese barberry 别名( Chinese Common Name ): 小檗 异名( Synonym ): Berberis thunbegii DC.;Berberis thunbergii








中文名(Chinese Name):日本小檗
学名(Scientific Name):Berberis thunbergii DC.
英文名(English Common Name):Japanese barberry
别名(Chinese Common Name):小檗
异名(Synonym):Berberis thunbegii DC.;Berberis thunbergii f. erecta Rehder;Berberis thunbergii var. argenteomarginata C.K.Schneid.;Berberis thunbergii var. erecta (Rehder) Ahrendt;Berberis thunbergii var. maximowiczii (Regel) Regel;Berberis thunbergii var. minor Rehder;Berberis thunbergii var. pluriflora Koehne;Berberis thunbergii var. rubrifolia Ahrendt;Berberis thunbergii var. uniflora Koehne
科属(Family & Genus):小檗科(Berberidaceae)小檗属
形态特征(Description):落叶灌木,一般高约1米,多分枝。枝条开展,具细条棱,幼枝淡红带绿色,无毛,老枝暗红色;茎刺单一,偶3分叉,长5-15毫米;节间长1-1.5厘米。叶薄纸质,倒卵形、匙形或菱状卵形,长1一2厘米,宽5-12毫米,先端骤尖或钝圆,基部狭而呈楔形,全缘,上面绿色,背面灰绿色,中脉微隆起,两面网脉不显,无毛;叶柄长2-8毫米。花2-5朵组成具总梗的伞形花序,或近簇生的伞形花序或无总梗而呈簇生状;花梗长5-10毫米,无毛;小苞片卵状披针形,长约2毫米,带红色;花黄色;外萼片卵状椭圆形,长4-4.5毫米,宽2.5-3毫米,先端近钝形,带红色,内萼片阔椭圆形,长5-5.5毫米,宽3.3-3.5毫米,先端钝圆;花瓣长圆状倒卵形,长5.5-6毫米,宽3-4毫米,先端微凹,基部略呈爪状,具2枚近靠的腺体;雄蕊长3-3.5毫米,药隔不延伸,顶端平截;子房含胚珠1-2枚,无珠柄。浆果椭圆形,长约8毫米,直径约4毫米,亮鲜红色,无宿存花柱。种子1-2枚,棕褐色。花期4-6月,果期7-10月。
分布(Distribution):产日本,我在广泛栽培。
用途(Use):根和茎含小檗碱,可供提取黄连素的原料。民间枝、叶煎水服,可治结膜炎;根皮可作健胃剂。茎皮去外皮后,可作黄色染料。
引自中国植物志英文版FOC Vol. 19 Page 716, 751
Berberis thunbergii Candolle, Syst. Nat. 2: 9. 1821.
日本小檗 ri ben xiao bo | Berberidaceae  | Berberis
Shrubs, deciduous, compact, usually ca. 1 m tall. Branches angulate, dark red, not verruculose; shoots reddish green, glabrous; spines simple, occasionally 3-fid, 5-15 mm; internodes 1-1.5 cm. Petiole 2-8 mm; leaf blade abaxially grayish green, adaxially green, obovate, spatulate, or rhombic-ovate, 1-2 × 0.5-1.2 cm, thinly papery, abaxially with slightly raised midvein, both surfaces glabrous, with indistinct reticulate veins, base attenuate, cuneate, margin entire, apex mucronate or obtuse. Inflorescence an umbel with subfascicled flowers, (1 or)2-5-flowered, 1-2 cm. Pedicels 5-10 mm, glabrous; bractlets reddish, ovate-lanceolate, ca. 2 mm. Sepals in 2 whorls; outer sepals reddish, ovate-elliptic, 4-4.5 × 2.5-3 mm, apex obtuse; inner sepals broadly elliptic, 5-5.5 × 3.3-3.5 mm, apex obtuse. Petals oblong-obovate, 5.5-6 × 3-4 mm, base clawed, with approximate glands, apex obtusely emarginate. Stamens 3-3.5 mm; anther connective not prolonged, truncate. Ovules 1 or 2, sessile. Berry shiny, red, ellipsoid, ca. 8 × 4 mm, style not persistent; seeds 1 or 2, brown. Fl. Apr-Jun, fr. Jul-Oct.
Commonly cultivated for ornament in China, especially in large cities [native to Japan].
This is one of the most widely cultivated species of Berberis.
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