中文名（Chinese Name）：刺通草
学名（Scientific Name）：Trevesia palmata (Roxb.) Vis.
英文名（English Common Name）：
别名（Chinese Common Name）：广叶参、脱萝
异名（Synonym）：Trevesia palmata var. costata Li；Brassaiopsis papayoides Hand.-Mazz.；Gilibertia palmata DC.；Fatsia cavalerieri H. Lév.；Gastonia palmata (DC.) Roxb.；Aralia pennata Poir.；Hedera aralia Jack；Trevesia cavaleriei (H. Lév.) Grushv. et Skvortsova；Brassaiopsis papyoides Hand.-Mazz.；Brassaia palmats (Lindl.) Deche. et Planch.；Aralia dubia Spreng.；Trevesia sanderi Danhart；Plerandra jatrophifolia Hance；Plerandropsis bonii R.Vig.；Brassaiopsis confluens Seem.；Fatsia cavaleriei H.Lév.；Trevesia palmata var. incisa Boerl.
科属（Family & Genus）：五加科（Araliaceae）刺通草属
形态特征（Description）：常绿小乔木，高3-8米，胸径约15厘米或更粗；树皮淡黄灰色，有刺或无刺；小枝淡黄棕色，有绒毛和刺；刺短，基部膨大，先端锐尖。叶为单叶，叶片大，直径达60-90厘米，革质，掌状深裂，裂片5-9，披针形，先端长渐尖，边缘有大锯齿，幼树的叶掌状深裂更深，类似掌状复叶，基部有叶状阔翅将各小叶状裂片连成整片，或部分裂片有阔翅相连，部分无阔翅相连，裂片常又有一至几个或深或浅的小裂片，上面无毛或两面都疏生星状绒毛，侧脉明显，网脉上面不明显；叶柄长达60-90厘米，通常疏生刺；托叶和叶柄基部合生。圆锥花序大，长约50厘米，主轴和分枝幼时有锈色绒毛，后毛渐脱落；伞形花序大，直径约4.5厘米，有花多数；总花梗长5-10厘米；花梗无关节，长1.5-3厘米，花后延长；花淡黄绿色；萼有锈色绒毛，长约5毫米，边缘约有10个不明显的小齿；花瓣6-10，长圆形，长约6毫米，先端钩曲，外面稍有锈色绒毛，内面有脊；雄蕊和花瓣同数，花丝长约6毫米；子房6-10室；花柱合生成柱状，有6-10条浅棱。果实卵球形，直径1.2-1.8厘米，稜不明显；宿存花柱长2-3毫米；果梗长3-6厘米。花期10月，果期次年5-7月。
分布（Distribution）：产云南、贵州、广西，生于海拔1300-1900米的森林中。东南亚也有。
用途（Use）：
引自中国植物志英文版FOC Vol. 13 Page 438      
Trevesia palmata (Roxburgh ex Lindley) Visiani, Mem. Reale Accad. Sci. Torino, ser. 2. 4: 262. 1842.
刺通草 ci tong cao | Araliaceae  | Trevesia
Gastonia palmata Roxburgh ex Lindley, Bot. Reg. 11: t. 894. 1825; Brassaiopsis papayoides Handel-Mazzetti; Fatsia cavaleriei H. Léveillé; Gilibertia palmata (Roxburgh ex Lindley) Candolle; Plerandra jatrophifolia Hance; Trevesia cavaleriei (H. Léveillé) Grushvitzky & Skvortsova; T. palmata (Roxburgh ex Lindley) Visiani var. costata H. L. Li.
Trees, evergreen, to 8 m tall. Trunk to ca. 15 cm d.b.h.; branches prickly, farinose stellate pubescent. Leaves simple; petiole often prickly, 30-70(-90) cm; stipules united into a 2-lobed sheath; blade large, 60-90 cm wide, leathery, both surfaces glabrous or with scattered stellate hairs, lateral veins distinct on both surfaces, deeply 5-9-lobed; lobes narrowly ovate-lanceolate, margin serrate, apex acuminate. Inflorescence a panicle of umbels, ca. 45 cm, densely farinose stellate pubescent when young, glabrescent; peduncles 4-17 cm; umbels 4-5 cm in diam., 25-45-flowered; pedicels 1.5-2 cm. Calyx rim 1-2 mm, farinose stellate pubescent. Stamens 7-12. Ovary 7-12-carpellate. Fruit subglobose to compressed-globose, 1-1.8 cm in diam., smooth or ribbed; styles united, conic, 2-4 mm, stout, persistent. Fl. Oct, fr. May-Jul.
Mixed forests on mountain slopes; 600-2000 m. S Guangxi, Guizhou, S Yunnan [Bangladesh, Cambodia, India, Laos, Nepal, Thailand, Vietnam].
This species is used medicinally and as an ornamental.
Two varieties (Trevesia palmata var. palmata and var. costata, the latter from S Yunnan) have sometimes been distinguished on the basis of minor differences in fruit shape and the presence or absence of ribs on dry fruit, but they do not appear to be worthy of recognition.

（责任编辑：徐晔春）