台湾鼠李Rhamnus formosana Matsum.
台湾鼠李Rhamnus formosana Matsum.
13.台湾鼠李（中国高等植物图鉴）桶钩藤（台湾植物志）
Rhamnus formosana Matsum. in Bot. Mag. Tokyo 12: 23. 1898, et in Journ. Coll. Sci. Tokyo 22: 88, t. 8. 1906; Hayata, Ic. Pl. Formos. 1: 144. 1912; Grub. in Act. Inst. Bot. Sci. Acad. URSS ser. 1, 8: 298. 1949; H. L. Li, Woody Fl. Taiw. 516, f. 199. 1963;中国高等植物图鉴2: 757,图3244. 1972.
灌木，高达10米，枝无刺；小枝褐色，具多数瘤状突起，被短柔毛。叶纸质，大小异型，在同侧交替互生，小叶卵形或近圆形，长1.5-6厘米，宽1.2-3.5厘米；大叶矩圆形或矩圆状椭圆形，长5-13厘米，宽2-6厘米，顶端渐尖，基部近圆形，边缘具钝锯齿，上面绿色，无毛，下面浅绿色，被短柔毛，或沿脉和脉腋被疏毛，侧脉每边5-8条，上面稍下陷，下面凸起；叶柄长0.8-2厘米，被黄褐色密短柔毛。花单性，雌雄异株，2-6个排成腋生聚伞总状花序，5基数，花梗长1-2毫米，被微柔毛；萼片披针形，长约2毫米，顶端尖，内面具明显的中肋；花瓣匙形，长约1毫米，全缘或微凹；花盘薄，盘状；雄花有退化的子房，花柱短，3浅裂；雌花有极小的雄蕊，子房球形，3室，每室有1胚珠，花柱较长，长约为子房的1.5倍，3浅裂或半裂。核果圆球形或倒卵状球形，直径3-4毫米．基部有宿存的萼片，深红色，成熟时变黑色，具3分核；果梗长3-4毫米；种子矩圆状卵圆形，背面具长为种子1/2的短沟。花期10月，果期11-12月。
特产我国台湾（台北、台中和南部）。生于阔叶林和灌丛中，海拔1000米。模式标本采自我国台湾。
《Flora of China》 Vol. 12 (2007)
Rhamnus formosana Matsumura
台湾鼠李 tai wan shu li
Shrubs ± scandent, dioecious, to 10 m tall, unarmed. Branchlets brown, with numerous tuberculate lenticels, puberulent. Petiole 0.8-2 mm, densely yellow-brown puberulent; leaf blade abaxially pale green, adaxially yellow-green, shiny, oblong or oblong-elliptic, 5-13 × 2-6 cm, papery, abaxially sparsely puberulent on veins and vein axils, adaxially glabrous, lateral veins 5-8 pairs, prominent abaxially, slightly impressed adaxially, base subrounded, margin obtusely serrate, apex acuminate. Flowers unisexual, 5-merous, 2-6 in axillary, bracteate, cymose racemes; bracts leaflike, ovate, to 5 cm. Pedicels 1-2 mm, puberulent. Sepals lanceolate, ca. 2 mm, adaxially medially keeled, apex acute. Petals spatulate-emarginate, ca. 1 mm. Disk thin, lining calyx tube. Male flowers with very small stamens. Female flowers: ovary globose, 3-loculed; style ca. 1.5 × as long as ovary, 3-fid or cleft to half. Drupe dark red, turning black at maturity, globose or obovoid-globose, 3-4 mm in diam., with persistent calyx tube at base, with 3 stones; fruiting pedicel 3-4 mm. Seeds oblong-ovoid, abaxially with margined furrow extending over 1/2 of length. Fl. Oct, fr. Nov-Dec.
● Broad-leaved forests, thickets; below 1000 m. Taiwan (Taibei, Taizhong).
别名：桶钩藤;桶鉤藤;
科名：鼠李科 Rhamnaceae
属名：鼠李属 Rhamnus
13.台湾鼠李（中国高等植物图鉴）桶钩藤（台湾植物志）
Rhamnus formosana Matsum. in Bot. Mag. Tokyo 12: 23. 1898, et in Journ. Coll. Sci. Tokyo 22: 88, t. 8. 1906; Hayata, Ic. Pl. Formos. 1: 144. 1912; Grub. in Act. Inst. Bot. Sci. Acad. URSS ser. 1, 8: 298. 1949; H. L. Li, Woody Fl. Taiw. 516, f. 199. 1963;中国高等植物图鉴2: 757,图3244. 1972.
灌木，高达10米，枝无刺；小枝褐色，具多数瘤状突起，被短柔毛。叶纸质，大小异型，在同侧交替互生，小叶卵形或近圆形，长1.5-6厘米，宽1.2-3.5厘米；大叶矩圆形或矩圆状椭圆形，长5-13厘米，宽2-6厘米，顶端渐尖，基部近圆形，边缘具钝锯齿，上面绿色，无毛，下面浅绿色，被短柔毛，或沿脉和脉腋被疏毛，侧脉每边5-8条，上面稍下陷，下面凸起；叶柄长0.8-2厘米，被黄褐色密短柔毛。花单性，雌雄异株，2-6个排成腋生聚伞总状花序，5基数，花梗长1-2毫米，被微柔毛；萼片披针形，长约2毫米，顶端尖，内面具明显的中肋；花瓣匙形，长约1毫米，全缘或微凹；花盘薄，盘状；雄花有退化的子房，花柱短，3浅裂；雌花有极小的雄蕊，子房球形，3室，每室有1胚珠，花柱较长，长约为子房的1.5倍，3浅裂或半裂。核果圆球形或倒卵状球形，直径3-4毫米．基部有宿存的萼片，深红色，成熟时变黑色，具3分核；果梗长3-4毫米；种子矩圆状卵圆形，背面具长为种子1/2的短沟。花期10月，果期11-12月。
特产我国台湾（台北、台中和南部）。生于阔叶林和灌丛中，海拔1000米。模式标本采自我国台湾。
《Flora of China》 Vol. 12 (2007)
Rhamnus formosana Matsumura
台湾鼠李 tai wan shu li
Shrubs ± scandent, dioecious, to 10 m tall, unarmed. Branchlets brown, with numerous tuberculate lenticels, puberulent. Petiole 0.8-2 mm, densely yellow-brown puberulent; leaf blade abaxially pale green, adaxially yellow-green, shiny, oblong or oblong-elliptic, 5-13 × 2-6 cm, papery, abaxially sparsely puberulent on veins and vein axils, adaxially glabrous, lateral veins 5-8 pairs, prominent abaxially, slightly impressed adaxially, base subrounded, margin obtusely serrate, apex acuminate. Flowers unisexual, 5-merous, 2-6 in axillary, bracteate, cymose racemes; bracts leaflike, ovate, to 5 cm. Pedicels 1-2 mm, puberulent. Sepals lanceolate, ca. 2 mm, adaxially medially keeled, apex acute. Petals spatulate-emarginate, ca. 1 mm. Disk thin, lining calyx tube. Male flowers with very small stamens. Female flowers: ovary globose, 3-loculed; style ca. 1.5 × as long as ovary, 3-fid or cleft to half. Drupe dark red, turning black at maturity, globose or obovoid-globose, 3-4 mm in diam., with persistent calyx tube at base, with 3 stones; fruiting pedicel 3-4 mm. Seeds oblong-ovoid, abaxially with margined furrow extending over 1/2 of length. Fl. Oct, fr. Nov-Dec.
● Broad-leaved forests, thickets; below 1000 m. Taiwan (Taibei, Taizhong).