细柱五加 xi zhu wu jia

Acanthopanax nodiflorus Dunn, J. Bot. 47: 199. 1909; A. gracilistylus W. W. Smith; A. gracilistylus var. major G. Hoo; A. gracilistylus var. nodiflorus (Dunn) H. L. Li; A. gracilistylus var. pubescens (Pampanini) H. L. Li; A. gracilistylus var. tri foliolatus C. B. Shang; A. gracilistylus var. villosulus (Harms) H. L. Li; A. hondae Matsuda; A. spinosus (Linnaeus f.) Miquel var. pubescens Pampanini; A. villosulus Harms; Aralia palmata Loureiro (1790), not Lamack (1783); A. scandens Poiret; Eleutherococcus gracilistylus (W. W. Smith) S. Y. Hu; E. gracili stylus var. major (G. Hoo) H. Ohashi; E. gracilistylus var. nodiflorus (Dunn) H. Ohashi; E. gracilistylus var. pubescens (Pampanini) S. Y. Hu; E. gracilistylus var. trifoliolatus (C. B. Shang) H. Ohashi; E. gracilistylus var. villosulus (Harms) Q. S. Wang; E. nodiflorus (Dunn) S. Y. Hu; E. pubescens (Pampanini) C. H. Kim & B. Y. Sun; E. villosulus (Harms) S. Y. Hu; Hedera scandens (Poiret) Candolle.

Shrubs, to 3 m tall, sometimes climbers. Branches slender, forming both long and short shoots, slightly pendulous, glabrous, with few, scattered, reflexed, short prickles at nodes, rarely unarmed. Petiole 3-8 cm, glabrous, with small scattered prickles; petiolules very short; leaflets (3-)5, obovate or oblanceolate, 3-8 × 1-3.5 cm, submembranous to papery, both surfaces glabrous or sparsely setulose, abaxially sometimes pubescent or with brown or ferruginous tufted hairs in axils of veins, secondary veins 4 or 5 pairs, subconspicuous, base cuneate, margin crenate-serrulate, apex acute or shortly acuminate. Inflorescence borne in axils of leaves on short shoots, a solitary umbel or sometimes 2 or 3 umbels together; peduncles 1-4 cm; pedicels 6-10 mm, slender, glabrous. Calyx subentire or with 5 minute teeth. Corolla yellowish green. Ovary 2(or 3)-carpellate; styles free nearly to base, ca. 2 mm, slender. Fruit black at maturity, subglobose, ca. 6 mm in diam.; styles persistent, reflexed, 2-3 mm. Fl. Apr-Jul, fr. Jun-Oct.

● Forest margins, scrub fields, mountain slopes, valleys, stream banks, roadsides; below 1000 m in E and 3000 m in W part of range. S Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, S Jiangsu, Jiangxi, Shaanxi, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang.

This species is a famous medicinal plant.