老虎须Tacca chantrieri

中文名(Chinese Name):老虎须
学名(Scientific Name):Tacca chantrieri André
英文名(English Common Name):
别名(Chinese Common Name):箭根薯
异名(Synonym):Schizocapsa itagakii Yamam.  Tacca minor Ridl.  Tacca paxiana H. Limpr.  Tacca esquirolii (H. Lév.) Rehder  Schizocapsa breviscapa (Ostenf.) H.Limpr.  Tacca garrettii Craib  Tacca macrantha H.Limpr.  Tacca roxburghii H.Limpr.  Tacca vespertilio Ridl.  Tacca wilsonii H.Limpr.  Tacca lancifolia var. breviscapa Ostenf. 
科属Family & Genus):蒟蒻薯科(Taccaceae)蒟蒻薯属
形态特征Description):多年生草本。根状茎粗壮,近圆柱形。叶片长圆形或长圆状椭圆形,长20-50(-60)厘米,宽7-1 (-24) 厘米,顶端短尾尖,基部楔形或圆楔形,两侧稍不相等,无毛或背面有细柔毛;叶柄长10-30厘米,基部有鞘。花葶较长;总苞片4枚,暗紫色,外轮2枚卵状披针形,长3-4(-5) 厘米,宽1-2厘米,顶端渐尖,内轮2枚阔卵形,长2.5-4 (-7) 厘米,宽2.5-3 (-6.5) 厘米;小苞片线形,长约10厘米;伞形花序有花5-7 (-18)朵;花被裂片6,紫褐色,外轮花被裂片披针形,长约1厘米,宽约5 毫米,内轮花被裂片较宽,顶端具小尖头;雄蕊6,花丝顶部兜状,柱头弯曲成伞形,3裂,裂片较宽,每裂片又2浅裂。浆果肉质,椭圆形,具6棱,紫褐色,长约3厘米,顶端有宿存的花被裂片;种子肾形,有条纹,长约3毫米。花果期4-11月。
分布(Distribution):产湖南、广东、广西、云南,生于海拔170-1300米的水边、林下、山谷阴湿处。越南、老挝、柬埔寨、泰国、新加坡、马来西亚等地都有分布。
用途(Use):根状茎味苦、性凉,药用有清热解毒、消炎止痛的功效,治刀伤、胃及十二指肠溃疡、肝炎、高血压、胃痛、烧烫伤、疮疡。全株有毒,慎用。
引自中国植物志英文版:FOC Vol. 24 Page 274 
Tacca chantrieri André, Rev. Hort. 73: 541. 1901.
箭根薯 jian gen shu| Taccaceae  | Tacca
Clerodendrum esquirolii H. Léveillé; Schizocapsa itagakii Yamamoto; Tacca esquirolii (H. Léveillé) Rehder; T. minor Ridley; T. paxiana H. Limpricht.
Rhizomes subcylindric, thick. Petiole 10--30 cm; leaf blade oblong to oblong-elliptic, 20--50(--60) × 7--14(--25) cm, glabrous or abaxially pubescent, base rounded-cuneate to cuneate, apex shortly caudate. Scape long; involucral bracts 4, dark purple, outer 2 ovate-lanceolate, inner 2 broadly ovate; umbels 5--7(--18)-flowered. Perianth lobes purplish brown, lanceolate. Stigma 3-lobed. Berry purplish brown, ellipsoid, ca. 3 cm, fleshy, 6-ridged, with persistent perianth lobes. Seeds reniform. Fl. and fr. Apr--Nov.
Forests, valleys, along rivers; 200--1300 m. Guangdong, Guangxi, Guizhou, Hainan, Hunan, SE Xizang (Mêdog Xian), Yunnan [Bangladesh, Cambodia, India, Laos, Malaysia, Myanmar, Sri Lanka, Thailand, Vietnam].
A vulnerable species in China.
 
老虎须Tacca chantrieri

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