万年青Rohdea japonica

中文名(Chinese Name):万年青
学名(Scientific Name):Rohdea japonica (Thunb.) Roth
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Orontium japonicum Thunb.  Rohdea sinensis H. Lév.  Rohdea esquirolii H. Lév.  Orontium liliifolium Salisb.  Rohdea japonica var. latifolia Hatus.
科属Family & Genus):百合科(Liliaceae)万年青属
形态特征(Description):根状茎粗1.5-2.5厘米。叶3-6枚,厚纸质,矩圆形、披针形或倒披针形,长15-50厘米,宽2.5-7厘米,先端急尖,基部稍狭,绿色,纵脉明显浮凸;鞘叶披针形,长5-12厘米。花葶短于叶,长2.5-4厘米;穗状花序长3-4厘米,宽1 .2-1.7厘米;具几十朵密集的花;苞片卵形,膜质,短于花,长2.5-6毫米,宽2-4毫米;花被长4-5毫米,宽6毫米,淡黄色,裂片厚;花药卵形,长1.4-1.5毫米。浆果直径约8毫米,熟时红色。花期5-6月,果期9-11月。
分布(Distribution):产山东、江苏、浙江、江西、湖北、湖南、广西、贵州、四川。生海拔750-1700米林下潮湿处或草地上。
用途(Use):全株有清热解毒、散瘀止痛之效。各地常有盆栽供观赏。
引自植物志英文版:FOC Vol. 24 Page 239
Rohdea japonica (Thunberg) Roth, Nov. Pl. Sp. 197. 1821.
万年青 wan nian qing | Liliaceae  | Rohdea
Orontium japonicum Thunberg in Murray, Syst. Veg., ed. 14, 340. 1784; Rohdea esquirolii H. Léveillé; R. sinensis H. Léveillé.
Rhizome suberect, 1.5--2.5 cm thick. Leaves 3--8(--12), dark green, lanceolate-oblong, oblanceolate, or lanceolate, gradually narrowed to both ends, 15--50 × 2.5--7 cm, thickly papery, apex acute to subacuminate. Scape 2.5--4(--10) cm, stout. Spike suboblong, 3--4 × 1.2--1.7 cm, densely many flowered; bracts ovate, 2.5--6 × 2--4 mm. Perianth pale yellow, 4--5 × ca. 6 mm; lobes small, thick. Anthers ovate, 1.3--1.5 mm. Berries red at maturity, globose, ca. 8 mm in diam. Fl. May--Jun, fr. Sep--Oct. 2 n = 14, 36, 38, ca. 72*.
Moist places in forests, grassy slopes; 700--1700 m. Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Sichuan, Zhejiang [Japan].
Widely cultivated as an ornamental.
万年青Rohdea japonica

万年青Rohdea japonica(责任编辑:徐晔春)

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