织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 野生花卉 >

翻白草 Potentilla discolor

时间:2013-11-07 13:35来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 翻白草 学名( Scientific Name ): Potentilla discolor Bunge 英文名( English Common Name ): 别名( Chinese Common Name ): 翻白萎陵菜 异名( Synonym ): Potentilla formosana Hance Potentilla discolor var. fo
中文名(Chinese Name):翻白草
学名(Scientific Name):Potentilla discolor Bunge
英文名(English Common Name):
别名(Chinese Common Name):翻白萎陵菜
异名(Synonym):Potentilla formosana Hance  Potentilla discolor var. formosana (Hance) Franch.
科属(Family & Genus):蔷薇科(Rosaceae)委陵菜属
形态特征(Description):多年生草本。根粗壮,下部常肥厚呈纺锤形。花茎直立,上升或微铺散,高10-45厘米,密被白色绵毛。基生叶有小叶2-4对,间隔0.8-1.5厘米,连叶柄长4-20厘米,叶柄密被白色绵毛,有时并有长柔毛;小叶对生或互生,无柄,小叶片长圆形或长圆披针形,长1-5厘米,宽0.5-0.8厘米,顶端圆钝,稀急尖,基部楔形、宽楔形或偏斜圆形,边缘具圆钝锯齿,稀急尖,上面暗绿色,被稀疏白色绵毛或脱落几无毛,下面密被白色或灰白色绵毛,脉不显或微显,茎生叶1-2,有掌状3-5小叶;基生叶托叶膜质,褐色,外面被白色长柔毛,茎生叶托叶草质,绿色,卵形或宽卵形,边缘常有缺刻状牙齿,稀全缘,下面密被白色绵毛。聚伞花序有花数朵至多朵,疏散,花梗长1-2.5厘米,外被绵毛;花直径1-2厘米;萼片三角状卵形,副萼片披针形,比萼片短.,外面被白色绵毛;花瓣黄色,倒卵形,顶端微凹或圆钝,比萼片长;花柱近顶生,基部具乳头状膨大,柱头稍微扩大。瘦果近肾形,宽约1毫米,光滑。花果期5-9月。
分布(Distribution):产我国大部分省区,生海拔100-1850米荒地、山谷、沟边、山坡草地、草甸及疏林下。日本、朝鲜也有分布。
用途(Use):全草入药,能解热、消肿、止痢、止血。块根含丰富淀粉,嫩苗可食。
引自中国植物志英文版
引自中国植物志英文版:FOC Vol. 9 Page 313     
Potentilla discolor Bunge, Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6. Sci. Math. 2: 99. 1833.
翻白草 fan bai cao| Rosaceae  | Potentilla
Potentilla discolor var. formosana (Hance) Franchet; P. formosana Hance.
Herbs perennial. Roots robust, lower parts often enlarged and fusiform. Flowering stems erect, ascending, or subspreading, 10–45 cm tall, together with petioles densely white lanate, sometimes also villous. Radical leaves 4–20 cm including petiole; stipules brown, membranous, white villous; leaf blade with 2–4 pairs of leaflets; leaflets opposite or alternate, at intervals of 0.8–1.5 cm, adaxially dark green, oblong or oblong-lanceolate, 1–5 cm × 5–8 mm, abaxially densely white or grayish white lanate, inconspicuously veined, adaxially sparsely white lanate or glabrescent, base cuneate, broadly cuneate, or obliquely rounded, margin obtusely serrate, rarely acutely so, apex obtuse, rarely acute; cauline leaves 1 or 2; stipules green, ovate or broadly so, herbaceous, abaxially densely white lanate, margin incised dentate, rarely entire; leaf blade palmately 3–5-foliolate. Inflorescence cymose, laxly several to many flowered. Flowers 1–2 cm in diam.; pedicel 1–2.5 cm, lanate. Sepals triangular-ovate; epicalyx segments lanceolate, shorter than sepals, abaxially white lanate. Petals yellow, obovate, longer than sepals, apex rounded or emarginate. Style subterminal, base thickened, papillate; stigma slightly dilated. Achenes subreniform, ca. 1 mm wide, smooth. Fl. and fr. May–Sep.
Sparse forests, meadows, valleys, ravines. Anhui, Fujian, Gansu, Guangdong, Hebei, Heilongjiang, Henan, Jiangxi, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Japan, Korea].
This species is used medicinally.


(责任编辑:徐晔春)
顶一下
(2)
66.7%
踩一下
(1)
33.3%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片
栏目列表
推荐内容