中文名（Chinese Name）：依兰香
学名（Scientific Name）：Cananga odorata (Lamk.) Hook. f. et Thoms.
英文名（English Common Name）：ilang-ilang
别名（Chinese Common Name）：依兰香、加拿楷
异名（Synonym）：Uvaria odorata Lam.  Canangium odoratum Baill.  Canangium mitrastigmum (F. Muell.) Domin  Fitzgeraldia mitrastigma F. Muell.  Unona leptopetala Dunal  Unona odorata (Lam.) Dunal  Canangium scortechinii King  Uvaria hortensis Noronha  Unona fitzgeraldii F.Muell.  Cananga mitrastigma (F.Muell.) Domin  Cananga odorata var. velutina (Blume) Koord. & Valeton  Cananga scortechinii King  Canangium mitrastigma (F.Muell.) Domin  Uvaria axillaris Roxb.  Uvaria farcta Wall. 
科属（Family & Genus）：番荔枝科（Annonaceae）依兰属
形态特征（Description）：原产于缅甸、印度尼西亚、菲律宾及马来西亚，我国引种栽培。
常绿大乔木，高达20多米，胸径达60厘米；树干通直，树皮灰色；小枝无毛，有小皮孔。叶大，膜质至薄纸质，卵状长圆形或长椭圆形，长10-23厘米，宽4-14厘米，顶端渐尖至急尖，基部圆形，叶面无毛，叶背仅在脉上被疏短柔毛；侧脉每边9-12条，上面扁平，下面凸起；叶柄长1-1.5厘米。花序单生于叶腋内或叶腋外，有花2-5朵；花大，长约8厘米，黄绿色，芳香，倒垂；总花梗长2-5毫米，被短柔毛；花梗长1-4厘米，被短柔毛，有鳞片状苞片；萼片卵圆形，外反，绿色，两面被短柔毛；花瓣内外轮近等大，线形或线状披针形，长5-8厘米，宽8-16毫米，初时两面被短柔毛，老渐几无毛；雄蕊线状倒披针形，基部窄，上部宽，药隔顶端急尖，被短柔毛；心皮长圆形，被疏微毛，老渐无毛，柱头近头状羽裂。成熟心皮10-12，有长柄，无毛，成熟的果近圆球状或卵状，长约1.5厘米，直径约1厘米，黑色。花期4-8月，果期12月-翌年3月。
分布（Distribution）：我国栽培于广东、云南。原产于泰国、印度尼西亚和马来西亚。
用途（Use）：花有浓郁的香气，可提制高级香精油，称“依兰依兰”油及“加拿楷”油，是一种用途很广的重要的日用化工原料。
引自中国植物志英文版FOC Vol. 19 Page 701
Cananga odorata (Lamarck) J. D. Hooker & Thomson, Fl. Ind. 1: 130. 1855.
依兰 yi lan  | Annonaceae  | Cananga
Trees or shrubs. Bark pale gray. Branchlets dark colored, striate with age, minutely pubescent when young, glabrescent. Petiole 1-2 cm, narrowly grooved; leaf blade in 2 ranks, ovate, oblong, or broadly elliptic, 9-23 × 4-14 cm, membranous to thinly papery, often drying black, glabrous when mature except for mostly whitish pubescence along midvein and secondary veins, secondary veins 7-15 on each side of midvein, base rounded, obtuse, or truncate and often inequilateral, apex acute to acuminate. Inflorescences axillary or on short woody branches, racemose or cymose, 1- or several flowered; peduncle 2-5 mm; bracts minute, deciduous. Flowers pendulous. Pedicel 1-5 cm, pubescent, bracteolate. Sepals ovate, ca. 0.7 mm, pubescent, connate at base, apex acute and reflexed. Petals green, turning yellow and inside basally with a purplish brown blotch, linear to linear-lanceolate, 5-8 × 0.5-1.8 cm, tomentose and with several veins minutely pubescent, basal claw small. Stamens oblong-oblanceolate, 0.7-1 mm; connectives apically acute, pubescent. Carpels 10-12, ca. 4 mm, puberulent when young, glabrescent; stigmas clavate, lamellate, fused, with a U-shaped groove on inner side running down to base of ovary to form a convex pileate disk. Monocarp stipes 1.2-1.8 cm; monocarps nearly black, ovoid, globose, or oblong, 1.5-2.3 × ca. 1 cm, pulpy, glabrous. Seeds 2-12 per monocarp, pale brown, in 2 series, surface pitted. Fl. Apr-Aug, fr. Oct-Mar.
Cultivated. Fujian, Guangdong, Guangxi, Hainan, Sichuan, Taiwan, Yunnan [native to NE Australia, India, Indonesia, Laos, Malaysia, Myanmar, Philippines, and Thailand].
The flowers of Cananga odorata are the source of an essential oil used in perfumery, soaps, and cosmetics. The flowers are also laid between cloth to impart an agreeable scent.（责任编辑：徐晔春）