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地黄Rehmannia glutinosa

时间:2013-11-09 15:45来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 地黄 学名( Scientific Name ): Rehmannia glutinosa (Gaertn.) DC. 英文名( English Common Name ): 别名( Chinese Common Name ): 生地 异名( Synonym ): Digitalis glutinosa Gaertn. Rehmannia glutinosa f. hue
中文名(Chinese Name):地黄
学名(Scientific Name):Rehmannia glutinosa (Gaertn.) DC.
英文名(English Common Name):
别名(Chinese Common Name):生地
异名(Synonym):Digitalis glutinosa Gaertn.  Rehmannia glutinosa f. huechingensis (Chao et Shih) P. G. Xiao  Rehmannia glutinosa var. huechingensis Chao et Shih  Rehmannia glutinosa f. purpurea Matsuda  Rehmannia glutinosa var. hemsleyana Diels  Rehmannia chinensis Libosch. ex Fisch. et C. A. Mey.  Chirita chanetii H.Lév.  Rehmannia sinensis (Buc'hoz) Libosch. ex Fisch. & C.A.Mey.  Sparmannia sinensis Buc'hoz
科属(Family & Genus):玄参科(Scrophulariaceae)地黄属
形态特征(Description):体高10-30厘米,密被灰白色多细胞长柔毛和腺毛。根茎肉质,鲜时黄色,在栽培条件下,直径可达5.5厘米,茎紫红色。叶通常在茎基部集成莲座状,向上则强烈缩小成苞片,或逐渐缩小而在茎上互生;叶片卵形至长椭圆形,上面绿色,下面略带紫色或成紫红色,长2-13厘米,宽1-6厘米,边缘具不规则圆齿或钝锯齿以至牙齿;基部渐狭成柄,叶脉在上面凹陷,下面隆起。花具长0.5-3厘米之梗,梗细弱,弯曲而后上升,在茎顶部略排列成总状花序,或几全部单生叶腋而分散在茎上;萼长1-1.5厘米,密被多细胞长柔毛和白色长毛,具10条隆起的脉;萼齿5枚,矩圆状披针形或卵状披针形抑或多少三角形,长0.5-0.6厘米,宽0.2-0.3厘米,稀前方2枚各又开裂而使萼齿总数达7枚之多;花冠长3-4.5厘米;花冠筒多少弓曲,外面紫红色,被多细胞长柔毛;花冠裂片,5枚,先端钝或微凹,内面黄紫色,外面紫红色,两面均被多细胞长柔毛,长5-7毫米,宽4-10毫米;雄蕊4枚;药室矩圆形,长2.5毫米,宽1.5毫米,基部叉开,而使两药室常排成一直线,子房幼时2室,老时因隔膜撕裂而成一室,无毛;花柱顶部扩大成2枚片状柱头。蒴果卵形至长卵形,长1-1.5厘米。花果期4-7月。
分布(Distribution):分布于辽宁、河北、河南、山东、山西、陕西、甘肃、内蒙古、江苏、湖北等省区。生于海拔50-1100米之砂质壤土、荒山坡、山脚、墙边、路旁等处。
用途(Use):
引自中国植物志英文版:FOC Vol. 18 Page 53     
Rehmannia glutinosa (Gaertner) Liboschitz ex Fischer & C. A. Meyer, Index Sem. Hort. Petrop. 1: 36. 1835.
地黄 di huang| Scrophulariaceae  | Rehmannia
Digitalis glutinosa Gaertner, Novi Comment. Acad. Sci. Imp. Petrop. 14: 544. 1770; Rehmannia chinensis Liboschitz ex Fischer & C. A. Meyer; R. glutinosa var. hemsleyana Diels; R. glutinosa var. huechingensis Chao & Shih; R. glutinosa f. huechingensis (Chao & Shih) P. G. Hsiao, R. glutinosa f. purpurea Matsuda.
Herbs, 10-30 cm tall, densely villous with glandular and eglandular hairs. Rhizomes to 5.5 cm, fleshy. Stems purple-red. Basal leaves usually rosulate. Stem leaves gradually or abruptly decreasing in size or reduced to bracts upward; leaf blade ovate to narrowly elliptic, 2-13 X 1-6 cm, base tapering, margin irregularly crenate or obtusely serrate to toothed. Flowers axillary or in terminal racemes. Pedicel 0.5-3 cm, slender, ascending. Bracteoles absent. Calyx 1-1.5 cm, 10-veined; lobes 5, oblong-lanceolate, ovate-lanceolate, or subtriangular, 5-6 X 2-3 mm, rarely 2 lower lobes further lobed. Corolla 3-4.5 cm, white villous; tube narrow; lobes outside purple-red, inside yellow-purple, 5-7 X 4-10 mm, apex obtuse to emarginate. Stamens 4; anther locules oblong, ca. 2.5 mm, base divaricate. Ovary 2-loculed when young, 1-loculed with age. Capsule ovoid to narrowly ovoid, 1-1.5 cm. Fl. and fr. Apr-Jul.
* Mountain slopes, trailsides; near sea level to 1100 m. Gansu, Hebei, Henan, Hubei, Jiangsu, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi.
Rehmannia glutinosa is widely cultivated for its rhizomes which are used medicinally.
 






 
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