锡兰肉桂

常绿小乔木，高达10米；树皮黑褐色，内皮有强烈的桂醛芳香气。芽被绢状微柔毛。幼枝略为四棱形，灰色而具白斑。叶通常对生，卵圆形或卵状披针形，长11-16厘米，宽4.5-5.5厘米，先端渐尖，基部锐尖，革质或近革质，上面绿色，光亮，下面淡绿白色，两面无毛，具离基三出脉，中脉及侧脉两面凸起，细脉和小脉网状，脉网在下面明显呈蜂巢状小窝穴；叶柄长2厘米，无毛。圆锥花序腋生及顶生，长10-12厘米，具梗，总梗及各级序轴被绢状微柔毛。花黄色，长约6毫米。花被筒倒锥形，花被裂片6，长圆形，近相等，外面被灰色微柔毛。能育雄蕊9，花丝近基部有毛，第一、二轮雄蕊花丝无腺体，第三轮雄蕊花丝有一对腺体，花药4室，第一、二轮雄蕊花药药室内向，第三轮雄蕊花药药室外向。子房卵珠形，无毛，花柱短，柱头盘状。果卵球形，长10-15 豪米，熟时黑色；果托杯状，增大，具齿裂，齿先端截形或锐尖。

分布：原产斯里兰卡，我国广东及台湾有栽培

Cinnamomum zeylanicum Bl. Bijdr. Fl. Ned. Ind. 11. Stuk: 588. 1828; Nees et Eberm. Handb. Med.-Pharm. Bot. 2: 420 et 427. 1831“zeylonicum” ibid. 3: 525. 1832; C. G. Nees in Wall. Pl. Asiat. Rar. 2: 74. 1831, 3: 32. 1832; in Flora 15 (2): 580. 1832; Progr. Grat. Laur. Exposs. 9. 1833; Syst.Laur. 45, 95, 664. 1836; in Linnaea 21: 487. 1848, “ceylanicum”; Meissn. in DC. Prodr. 15 (1): 13. 1864; Kurz, For. Fl. Brit. Burma 2: 287. 1877, Hook. f. Fl. Brit. India 5: 131. 1886; Brandis, Ind. Trees 533. 1906; Lace, List Trees ＆ Shrubs Burma 109. 1912, ed. 2. 137. 1922; Ridley, Species 205-224. 1912, Fl. Malay Pen. 3: 97. 1924; Koorders, Exkurs. Fl. Java 2: 263. 1912; Dunn ＆ Tutch. in Kew Bull. Misc. Inf. Add. Ser. 10: 223. 1912; Lec. in Nouv. Arch. Mus. Hist. Nat. Paris, 5e Ser. 5: 49, 81. 1913, Fl. Gen. Indoch. 5: 112. 1913;Kanehira, List Pl. Exper. Sta. For. Formosa 41. 1914; Chun, Chinese Econ, Trees 155. 1921; in Contr. Biol. Lab. Sci. Soc. China 1 (5): 12. 1925; Chung in Mem. Sci. Soc. China 1 (1): 59. 1924; Liou Ho, Laur. Chine et Indoch. 32. 1932 et 1934; Y. Kudo, List Pl. Dept. For. Formosa 64. 1934;陈嵘, 中国树木分类学333, f. 252. 1937; 中国高等植物图鉴1: 820,图1640. 1972.——Laurus cinnamomum Roxb. Fl. Ind. 2: 295. 1824.