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棣棠Kerria japonica

时间:2013-11-06 13:54来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 棣棠 学名( Scientific Name ): Kerria japonica (L.) DC. 英文名( English Common Name ): Japanese rose 别名( Chinese Common Name ): 鸡蛋黄花、土黄条 异名 ( Synonym ): Kerria japonica var. denticulata L.
中文名(Chinese Name):棣棠
学名(Scientific Name):Kerria japonica (L.) DC.
英文名(English Common Name):Japanese rose
别名(Chinese Common Name):鸡蛋黄花、土黄条
异名Synonym):Kerria japonica var. denticulata L. C. Wang et X. G. Sun  Kerria japonica var. typica Makino
科属Family & Genus):蔷薇科(Rosaceae)棣棠花属
形态特征Description):落叶灌木,高1-2米,稀达3米;小枝绿色,圆柱形,无毛,常拱垂,嫩枝有稜角。叶互生,三角状卵形或卵圆形,顶端长渐尖,基部圆形、截形或微心形,边缘有尖锐重锯齿,两面绿色,上面无毛或有稀疏柔毛,下面沿脉或脉腋有柔毛;叶柄长5-10毫米,无毛;托叶膜质,带状披针形,有缘毛,早落。单花,着生在当年生侧枝顶端,花梗无毛;花直径2.5-6厘米;萼片卵状椭圆形,顶端急尖,有小尖头,全缘,无毛,果时宿存;花瓣黄色,宽椭圆形,顶端下凹,比萼片长1-4倍。瘦果倒卵形至半球形,褐色或黑褐色,表面无毛,有皱褶。花期4-6月,果期6-8月。
分布(Distribution):产甘肃、陕西、山东、河南、湖北、江苏、安徽、浙江、福建、江西、湖南、四川、贵州、云南,生海拔200-3000米山坡灌丛中。日本也有分布。
用途(Use):茎髓作为通草代用品入药,有催乳利尿之效。
引自中国植物志英文版:FOC Vol. 9 Page 192     
Kerria japonica (Linnaeus) Candolle, Trans. Linn. Soc. London, Bot. 12: 157. 1818.
棣棠花 di tang hua| Rosaceae  | Kerria
Rubus japonicus Linnaeus, Mant. Pl. 2: 245. 1771; Corchorus japonicus Thunberg.
Shrubs 1–2(–3) m tall. Branchlets green, usually arcuate, terete, angled when young, glabrous. Stipules deciduous after flowering, oblong-lanceolate, membranous, margin ciliate; petiole 5–15 mm, glabrous; leaf blade triangular-ovate or ovate, 3–10 × 2–4 cm, abaxially pilose on veins or in vein axils, adaxially glabrous or sparsely pilose, base subcordate, rounded, or truncate, margin sharply doubly serrate, apex acuminate. Flowers 2.5–6 cm in diam.; pedicel 8–15 mm, glabrous. Sepals persistent in fruit, ovate-elliptic, glabrous, margin serrulate or entire, apex rounded to acute. Petals broadly elliptic, 1.5–2 × 1–1.8 cm, 1–4 × as long as sepals, apex emarginate. Achenes brownish black, obovoid or hemispheric, 4–4.5 × 3.5–4 mm, rugose. Fl. Apr–Jun, fr. Jun–Aug. 2n = 18.
Thickets on mountain slopes; 200--3000 m. Anhui, Fujian, Gansu, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Sichuan, Yunnan, Zhejiang [Japan].
This species is used medicinally and cultivated for ornament




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