中文名（Chinese Name）：尖尾芋
学名（Scientific Name）：Alocasia cucullata (Lour.) G.Don
英文名（English Common Name）：chinese taro
别名（Chinese Common Name）：大附子、野山芋
异名（Synonym）：Alocasia rugosa (Kunth) Schott；Colocasia cucullata (Lour.) Schott；Arum cucullatum Lour.；Colocasia rugosa Kunth；Caladium cucullatum (Lour.) Pers.；Panzhuyuia omeiensis Z.Y.Zhu；Caladium rugosum Desf.；Colocasia cochleata Miq. 
科属（Family & Genus）：天南星科（Araceae）海芋属
形态特征（Description）：直立草本。地上茎圆柱形，粗3-6厘米，黑褐色，具环形叶痕，通常由基部伸出许多短缩的芽条，发出新枝，成丛生状。叶柄绿色，长25-30（-80）厘米，由中部至基部强烈扩大成宽鞘；叶片膜质至亚革质，深绿色，背稍淡，宽卵状心形，先端骤狭具凸尖，长10-16（-40）厘米，宽7-18（-28）厘米，基部圆形；中肋和I级侧脉均较粗，侧脉5-8对，其中下部2对由中肋基部出发，下倾，然后弧曲上升。花序柄圆柱形，稍粗壮，常单生，长20-30厘米。佛焰苞近肉质，管部长圆状卵形，淡绿至深绿色，长4-8厘米，粗2.5-5厘米；檐部狭舟状，边缘内卷，先端具狭长的凸尖，长5-10厘米，宽3-5厘米，外面上部淡黄色，下部淡绿色。肉穗花序比佛焰苞短，长约10厘米，雌花序长1.5-2.5厘米，圆柱形，基部斜截形，中部粗7毫米；不育雄花序长2-3厘米，粗约3毫米；能育雄花序近纺锤形，长3.5厘米，中部粗8毫米，苍黄色，黄色；附属器淡绿色、黄绿色，狭圆锥形，长约3.5厘米，下部粗6毫米。浆果近球形，径6-8毫米，通常有种子1。花期5月。
分布（Distribution）：产浙江、福建、广西、广东、四川、贵州及云南，生于海拔2000米溪谷地或田边。东南亚部分国家也有。
用途（Use）：全株药用，为治毒蛇咬伤要药。能清热解毒、消肿镇痛。可治流感、高烧、肺结核、急性胃炎、胃溃疡、慢性胃病、肠伤寒，外用治毒蛇咬伤、蜂窝组织炎、疮疖、风湿等。福建用全草治秃发病。本品有毒，内服久煎6小时以上方可避免中毒。
引自中国植物志英文版FOC Vol. 23 Page 76, 78
Alocasia cucullata (Loureiro) G. Don in Sweet, Hort. Brit., ed. 3. 631. 1839.
尖尾芋 jian wei yu  | Araceae  | Alocasia
Arum cucullatum Loureiro, Fl. Cochinch. 2: 536. 1790; Alocasia rugosa (Desfontaines) Schott; Caladium cucullatum (Loureiro) Persoon; C. rugosum Desfontaines; Colocasia cochleata Miquel; C. cucullata (Loureiro) Schott; C. rugosa (Desfontaines) Kunth; Panzhuyuia omeiensis Z. Y. Zhu.
Herbs, clumping, small to medium sized, somewhat robust, to 1 m, evergreen. Stems erect, hypogeal, basally much branched. Leaves many together; petiole weakly D-shaped in cross section, 25-30(-80) cm, sheath reaching to ca. 1/2 way, margins membranous; leaf blade broadly ovate-cordate, 10-40 × 7-28 cm, base shallowly cordate, apex acute; primary veins 4 on each side, radiating from petiole, arching, interprimary veins not forming a collective vein. Inflorescences rarely produced, usually solitary, sometimes paired, among leaf bases, subtended by membranous cataphylls; peduncle 20-30 cm. Spathe green, 9-15 cm; proximal spathe 4-8 × ca. 2.5 cm; limb narrowly cymbiform, 5-10 × 3-5 cm. Spadix 8-14 cm; female zone cylindric, 1.5-2.5 cm × ca. 7 mm; sterile zone 2-3 cm × ca. 3 mm; male zone yellow, ca. 3.4 cm × 8 mm; appendix yellowish, narrowly conic, ca. 3.5 cm × 5 mm. Fruit rarely produced, a subglobose berry, 6-8 mm in diam., ripening red. Fl. May.
Watersides, by fields, ?wild or cultivated; below 2000 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Taiwan, Yunnan [Bangladesh, NE India (Khasi Hills, Sikkim), Laos, Myanmar, Nepal, Sri Lanka, Thailand, Vietnam].
The plants are used externally for detoxifying viper bites and are also used for treating abscesses, rheumatism, and arthritis. It is an important good-luck plant in Buddhist temples in Laos and Thailand.
（责任编辑：徐晔春）