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湖北大戟Euphorbia hylonoma

时间:2013-09-10 12:44来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):湖北大戟 学名( Scientific Name ): Euphorbia hylonoma Hand.-Mazz. 英文名( English Common Name ): 西南大戟 别名( Chinese Common Name ): 异名( Synonym ): Tithymalus komaroviana Prokh. Galarhoeus pallasii
中文名(Chinese Name):湖北大戟
学名(Scientific Name):Euphorbia hylonoma Hand.-Mazz.
英文名(English Common Name):西南大戟
别名(Chinese Common Name):
异名(Synonym):Tithymalus komaroviana Prokh.  Galarhoeus pallasii f. pilosus (Regel) Hurus.  Euphorbia fischeriana f. pilosa (Regel) Oudejans  Euphorbia pallasii var. komaroviana (Prokh.) Y.C.Zhu
科属(Family & Genus):大戟科(Euphorbiaceae)大戟属
形态特征(Description):多年生草本,全株光滑无毛。根粗线形,长达十多厘米,直径3-5毫米。茎直立,上部多分枝。高50-100厘米,直径3-7毫米。叶互生,长圆形至椭圆形,变异较大,长4-10厘米,宽1-2厘米,先端圆,基部渐狭,叶面绿色,叶背有时淡紫色或紫色;侧脉6-10对;叶柄长3-6毫米;总苞叶3-5枚,同茎生叶;伞幅3-5,长2-4厘米;苞叶2-3枚,常为卵形,长2-2.5厘米,宽1-1.5厘米,无柄花序单生于二歧分枝顶端,无柄;总苞钟状,高约2.5毫米,直径2.5-3.5毫米,边缘4裂,裂片三角状卵形,全缘,被毛;腺体4>圆肾形,淡黑褐色。雄花多枚,明显伸出总苞外;雌花1枚,子房柄长3-5毫米;子房光滑;花往3,分离;柱头2裂。蒴果球状,长3.5-4毫米,直径约4毫米,成熟时分裂为3个分果爿。种子卵圆状,灰色或淡褐色,长约2.5毫米,直径约2毫米,光滑,腹面具沟纹;种阜具极短的柄。花期4-7月,果期6-9月。
分布(Distribution):产我国大部分省区,生于海拔200-3000米山沟、山坡、灌丛、草地、疏林等地。俄罗斯也有。
用途(Use):根有消疲、逐水、攻积之功效;茎叶有止血、止痛的功效;但据云有毒,宜慎用。
引自中国植物志英文版FOC Vol. 11 Page 291, 306      
Euphorbia hylonoma Handel-Mazzetti, Symb. Sin. 7(2): 230. 1931.
湖北大戟 hu bei da ji | Euphorbiaceae  | Euphorbia
 Euphorbia hylonoma
Credit: Harvard University Herbaria
Euphorbia fischeriana Steudel var. komaroviana (Prokhanov) G. L. Chu; E. komaroviana Prokhanov; E. pallasii var. komaroviana (Prokhanov) Y. C. Zhu.
Herbs, erect, 50-90 cm tall. Root thick, up to more than 10 cm × 3-5 mm. Stem 3-7 mm thick, many branched apically. Leaves alternate; stipules absent; petiole 3-6 mm; leaf blade oblong to elliptic, very variable, 4-10 × 1-2 cm, sometimes light purple abaxially, green adaxially, base attenuate, apex rounded; lateral veins 6-10 pairs. Primary involucral leaves 3-5, similar to normal leaves, primary rays 3-5, 2-4 cm; cyathophylls 2 or 3, usually ovate, 2-2.5 × 1-1.5 cm, sessile. Cyathium sessile; in volucre campanulate, ca. 2.5 × 2.5-3.5 mm, lobes triangular- ovate, entire, pilose; glands 4, dark brown, reniform. Male flowers many, exserted from involucre. Female flower: ovary pedicel 3-5 mm, exserted from cup; ovary smooth; styles free; style arms 2-lobed. Capsule globose, 3.5-4 × ca. 4 mm, smooth. Seeds ovoid-globose, ca. 2.5 × 2 mm, gray or light brown, smooth, adaxially striate; caruncle present, very shortly stipitate. Fl. Apr-Jul. 2n = 20*.
Roadsides, valleys, mountain slopes, grasslands, steppes, scrub, sparse forests; 200-3000 m. Anhui, S Gansu (Wenxian), Guangdong, Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan, Zhejiang [Mongolia, Russia (Far East)].
The root is used medicinally.



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