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显脉香茶菜Isodon nervosus

时间:2013-09-24 13:57来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):显脉香茶菜 学名( Scientific Name ): Isodon nervosus (Hemsl.) Kudo 英文名( English Common Name ): 别名( Chinese Common Name ): 大叶蛇总管,蓝花柴胡 异名( Synonym ): Rabdosia nervosa (Hemsl.) C. Y. Wu et
中文名(Chinese Name):显脉香茶菜
学名(Scientific Name):Isodon nervosus (Hemsl.) Kudo
英文名(English Common Name):
别名(Chinese Common Name):大叶蛇总管,蓝花柴胡
异名(Synonym):Rabdosia nervosa (Hemsl.) C. Y. Wu et H. W. Li  Plectranthus nervosus Hemsl.  Rabdosia stenophylla (Migo) Hara  Plectranthus salicarius Hand.-Mazz.  Amethystanthus stenophyllus (Migo) Hara  Plectranthus moslifolius H. Lév.
科属(Family & Genus):唇形科(Labiatae)香茶菜属
形态特征(Description):多年生草本,高达1米;根茎稍增大呈结节块状,其上生出径1-3毫米的细根和多数纤细须根。茎自根茎生出,直立,不分枝或少分枝,四稜形,明显具槽,幼时被微柔毛,老时毛被脱落或变无毛。叶交互对生,披针形至狭披针形,长3.5-13厘米,宽1-2厘米,先端长渐尖,基部楔形至狭楔形,边缘有具胼胝尖的粗浅齿,侧脉4-5对,在两面隆起,细脉多少明显,薄纸质,上面绿色,沿脉被微柔毛,余部近无毛,下面较淡,近无毛,脉白绿色;下部叶柄长0.2-1厘米,被微柔毛,上部叶无柄。聚伞花序(3) 5-9(15)花,具长5-8毫米的总梗,于茎顶组成疏散的圆锥花序,花梗与总梗及序轴均密被微柔毛;苞片狭披针形,叶状,长1-1.5厘米,密被微柔毛,小苞片线形,长1-2毫米,密被微柔毛。花萼紫色,钟形,长约1.5毫米,外密被微柔毛,萼齿5,近相等,披针形,锐尖,与萼筒等长,果时萼增大呈阔钟形,长2.5毫米,宽达3毫米,萼齿直伸,三角状披针形,与萼筒等长,齿间具宽圆凹。花冠蓝色,长6一8毫米,外疏被微柔毛,冠筒长3-4毫米,近基部上方成浅囊状,冠檐二唇形,上唇4等裂,裂片长圆形或椭圆形,下唇舟形,较上唇稍长,长约4毫米,椭圆形。雄蕊4,二强,伸出于花冠外,花丝下部疏被微柔毛。花柱丝状,伸出于花冠外,先端相等2浅裂。花盘盘状。小坚果卵圆形,长1-1.5毫米,宽约1毫米,顶端被微柔毛。花期7-10月,果期8-11月。
分布(Distribution):产陕西,河南,湖北,江苏,浙江,安徽,江西,广东,广西,贵州及四川;生于山谷、草丛或林下荫处,海拔(60)300-600(1000)米。等模式标本采自上海,湖北宜昌、巴东,广东的北江。
用途(Use):茎叶入药,治急性传染性肝炎、毒蛇咬伤、脓疱疮、湿疹及皮肤搔痒等症。
引自植物志英文版:FOC Vol. 17 Page 274
Isodon nervosus (Hemsley) Kudô, Mem. Fac. Sci. Taihoku Imp. Univ. 2: 123. 1929.
显脉香茶菜 xian mai xiang cha cai| Lamiaceae  | Isodon
Plectranthus nervosus Hemsley, J. Linn. Soc., Bot. 26: 272. 1890.
Herbs perennial, to 1 m tall. Stems erect, unbranched or few branched, pubescent, glabrescent. Petiole 2-10 mm, obsolete in basal leaves, pubescent; leaf blade lanceolate, 3.5-13.5 × 1-2 cm, papery, adaxially pubescent along veins, abaxially glabrescent, base cuneate, margin coarsely crenate, apex acuminate; lateral veins 4- or 5-paired, elevated. Panicles terminal, loose; cymes pedunculate, (3-)5-9(-15)-flowered; bracts narrowly lanceolate, 1-1.5 cm, densely pubescent; bracteoles linear, 1-2 mm. Calyx purplish, campanulate, ca. 1.5 mm, densely pubescent outside; teeth 5, lanceolate, subequal, apex acute, ca. 0.8 mm; fruiting calyx broadly campanulate, ca. 2.5 × to 3 mm; teeth triangular-lanceolate, erect, ca. 1.3 mm. Corolla blue or purple, 6-8 mm, sparsely pilose outside; tube 3-4 mm. Stamens exserted. Style exserted. Nutlets ovoid, 1-1.5 mm, apex pubescent. Fl. Jul-Oct, fr. Aug-Nov.
* Grassy banks, forest margins, shady areas in forests, among bushes; 100-1700 m. Anhui, Guangdong, Guangxi, Guizhou, Henan, Hubei, Jiangsu, Jiangxi, Shaanxi, Sichuan, Zhejiang
Used medicinally.



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