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东当归Angelica acutiloba

时间:2013-11-10 09:44来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 东当归 学名( Scientific Name ): Angelica acutiloba (Sieb. et Zucc.) Kitagawa 英文名( English Common Name ): 别名( Chinese Common Name ): 日本当归 异名( Synonym ): Ligusticum acutilobum Siebold et Zucc
中文名(Chinese Name):东当归
学名(Scientific Name):Angelica acutiloba (Sieb. et Zucc.) Kitagawa
英文名(English Common Name):
别名(Chinese Common Name):日本当归
异名(Synonym):Ligusticum acutilobum Siebold et Zucc.
科属(Family & Genus):伞形科(Umbelliferae)当归属
形态特征(Description):多年生草本。根长10-25厘米,径1-2.5厘米,有多数支根,似马尾状,外表皮黄褐色至棕褐色,气味浓香。茎充实,高30-100厘米,绿色,常带紫色,无毛,有细沟纹。叶一至二回三出羽状分裂,膜质,上表面亮绿色,脉上有疏毛,下表面苍白色,末回裂片披针形至卵状披针形,3裂,长2-9厘米,宽1-3厘米,无柄或有短柄,先端渐尖至急尖,基部楔形或截形,边缘有尖锐锯齿;叶柄长10-30厘米,基部膨大成管状的叶鞘,叶鞘边缘膜质;茎顶部的叶简化成长圆形的叶鞘。复伞形花序,花序梗、伞辐、花柄无毛或有疏毛,花序梗长5-20厘米;总苞片1至数个,有时无,线状披针形或线形,长1-2厘米;小总苞片5-8,线状披针形或线形,无毛,长5-15毫米,常比花长;小伞花序有花约30朵;花白色;萼齿不明显;花瓣倒卵形至长圆形;子房无毛;花柱长为花柱基的3倍。果实狭长圆形,略扁压,长4-5毫米,宽1-1.5毫米,背棱线状,尖锐,侧棱狭翅状,较背棱宽,较果体狭,棱槽内有油管3-4,合生面油管4-8。花期7-8月,果期8-9月。
分布(Distribution):产日本,我国有栽培。
用途(Use):我国吉林省延边朝鲜族自治州的延吉、珲春、和龙等县栽培作“当归”使用已有长久的历史。日本和朝鲜以本种称当归,栽培入药。功效与我国产当归类似,主治月经不调,经来腹痛,腰痛、崩漏,大便干燥,痢疾腹痛等症。
引自中国植物志英文版:FOC Vol. 14 Page 166 
Angelica acutiloba (Siebold & Zuccarini) Kitagawa, Bot. Mag. (Tokyo). 51: 658. 1937.
东当归 dong dang gui| Apiaceae  | Angelica
Ligusticum acutilobum Siebold & Zuccarini, Pl. Jap. Fam. Nat. 2: 203. 1845.
Plants perennial, 30–100 cm. Root yellow-brown, 10–25 × 1–2.5 cm, strongly aromatic. Stem solid, purplish, thinly ribbed. Basal and lower leaves petiolate, petioles 10–30 cm, sheaths oblong; blade triangular-ovate, 10–25 cm, 1–2-ternate-pinnate, glabrous; pinnae short-petiolulate, 2–9 × 1–3 cm, 3-lobed, segments lanceolate, margin irregularly acute-serrate, apex acuminate to acute; peduncles 5–20 cm, glabrous or pubescent; bracts absent or 1 to several, linear-lanceolate, 1–2 cm; rays 18–30, unequal, pubescent; bracteoles 5–8, linear, 5–15 mm; umbellules ca. 30-flowered; pedicels slender. Calyx teeth obsolete. Petals white, obovate to oblong. Fruit narrow-oblong, 4–5 × 1–1.5 mm; dorsal ribs filiform, lateral ribs narrow-winged; vittae 3–4 in each furrow, 4–8 on commissure. Fl. Jul–Aug, fr. Aug–Sep.
Cultivated; ca. 400 m. Jilin [native to Japan and Korea].
The roots are used in Jilin as a regional substitute for the traditional Chinese medicine “dang gui” (see Angelica sinensis).
 




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