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当归Angelica sinensis

时间:2013-11-10 09:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 当归 学名( Scientific Name ): Angelica sinensis (Oliv.) Diels 英文名( English Common Name ): 别名( Chinese Common Name ): 云归、秦归 异名( Synonym ): Angelica polymorpha var. sinensis Oliv. 科属( Fam
中文名(Chinese Name):当归
学名(Scientific Name):Angelica sinensis (Oliv.) Diels
英文名(English Common Name):
别名(Chinese Common Name):云归、秦归
异名(Synonym):Angelica polymorpha var. sinensis Oliv.
科属(Family & Genus):伞形科(Umbelliferae)当归属
形态特征(Description):多年生草本,高0.4-1米。根圆柱状,分枝,有多数肉质须根,黄棕色,有浓郁香气。茎直立,绿白色或带紫色,有纵深沟纹,光滑无毛。叶三出式二至三回羽状分裂,叶柄长3-11厘米,基部膨大成管状的薄膜质鞘,紫色或绿色,基生叶及茎下部叶轮廓为卵形,长8-18厘米,宽15-20厘米,小叶片3对,下部的1对小叶柄长0.5-1.5厘米,近顶端的1对无柄,末回裂片卵形或卵状披针形,长1-2厘米,宽5-15毫米,2-3浅裂,边缘有缺刻状锯齿,齿端有尖头;叶下表面及边缘被稀疏的乳头状白色细毛;茎上部叶简化成囊状的鞘和羽状分裂的叶片。复伞形花序,花序梗长4-7厘米,密被细柔毛;伞辐9-30;总苞片2,线形,或无;小伞形花序有花13-36;小总苞片2-4,线形;花白色,花柄密被细柔毛;萼齿5,卵形;花瓣长卵形,顶端狭尖,内折;花柱短,花柱基圆锥形。果实椭圆至卵形,长4-6毫米,宽3-4毫米,背棱线形,隆起,侧棱成宽而薄的翅,与果体等宽或略宽,翅边缘淡紫色,棱槽内有油管1,合生面油管2。花期6-7月,果期7-9月。
分布(Distribution):主产甘肃、云南、四川、陕西、湖北等省,均为栽培。
用途(Use):根为著名中药“当归”,能补血、和血、调经止痛,润肠滑肠;治月经不调,经闭腹痛,症瘕结聚、崩漏、血虚头痛、眩晕、痿痹、肠燥便难,赤痢后重、痈疽疮疡、跌打损伤。
引自中国植物志英文版:FOC Vol. 14 Page 168 
Angelica sinensis (Oliver) Diels, Bot. Jahrb. Syst. 29: 500. 1901.
当归 dang gui| Apiaceae  | Angelica
Plants perennial, 0.4–1 m. Root cylindric, branched, rootlets many, succulent, strongly aromatic. Stem purplish green, ribbed, branched above. Basal and lower petioles 5–20 cm, sheaths purplish green, ovate, membranous-margined; blade ovate, 10–30 × 12–25 cm, 2–3-ternate-pinnate, pinnae 3–4 pairs, proximal and middle pinnae long-petiolulate; leaflets ovate or ovate-lanceolate, 2–3.5 × 0.8–2.5 cm, 2–3-lobed, margin irregularly coarse-cuspidate-serrate, sparse papillate-hairy along nerves and margin. Peduncles 8–20 cm, pubescent or subglabrous; bracts absent or 2, linear; rays 10–30, unequal, scabrous; bracteoles 2–4, linear, 3–5 mm; umbellules 13–36-flowered; pedicels slender, 1–3 cm in fruit. Calyx teeth obsolete, rarely minute, ovate. Petals white, rarely purplish red. Fruit ellipsoid or suborbicular, 4–6 × 3–4 mm; dorsal ribs filiform, prominent, lateral ribs broadly thin-winged, wings as wide as or wider than the body; vittae 1 in each furrow, 2 or absent on commissure. Fl. Jun–Jul, fr. Jul–Sep.
Wild or cultivated in forests, shrubby thickets; 2500–3000 m. Gansu, Hubei, Shaanxi, Sichuan, Yunnan
The roots are frequently used in the important traditional Chinese medicine “dang gui.”
 


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