《中国植物志》|| 蔷薇科 ROSACEAE ||光叶系 Ser. Undulatae Yu et Lu in Bull. Bot. ||尖叶桂樱 Laurocerasus undulata (Buch.-Ham. ex D. Don) M. Roem.

5. 尖叶桂樱（中国树木志）
Laurocerasus undulata (D. Don) Rocm. Syn. Monogr. 3:92. 1847.——Cerasus-undulata (D. Don) Ser. in DC. Prodr. 2:540. 1825. ——Prunus undulata Buch. -Ham. ex D. Don, Prodr. Fl. Nepal 239. 1825; Hara in Journ. Jap. Bot. 48:97. 1973: Hara & Ohashi in Fl. E. Himal. 3:51. 1975. ——Cerasus acuminata Wall. Cat. 21. no. 719. 1829, nom. nud.; Wall. Pl. As. Rar. 2:78. pl. 181. 1831. ——Prunus wallichii Steud. Nomend. Bot. 2nd ed. 2:404. 1841; Kalkm. in Blumea 13:38. 1965; Hara & Ohashi in. Fl. E. Himal. 126. 1966 et 2:55. 1971. ——Prunus acuminata (Wall.) Dietr. Syn. 3: 42. 1843: Hook. f. Fl. Brit. Ind. 2:317. 1878; Koehne in Engler, Bot. Jahrb. 52:296.1915, cum f. wallichii (Steud.) Koehne, non Michx. 1803. ——Cerasus wallichii (Steud.) Roem. Syn. Monogr. 3:81. 1847.——Laurocerasus acuminata (Wall.) Roem. l. c. 92. 1847; Schneid. Ill. Handb. Laubh. 1:649. f. 355 i. 1906.
常绿灌木或小乔木，高约5-16米；小枝灰褐色至紫褐色，具不明显小皮孔，无毛。叶片草质或薄革质，椭圆形至长圆状披针形，长6-15厘米，宽3-5厘米，先端渐尖，基部宽楔形至近圆形，叶边全缘，稀在中部以上有少数锯齿，两面无毛，上面光亮，下面近基部常有1对扁平小基腺，另外下面沿中脉常有多数几与中脉平行的扁平小腺体，尤其在叶片下半部更为明显，侧脉6-9对，在下面稍突起，网脉不明显；叶柄长5-10（12）毫米，无毛，无腺体；托叶长约4-6毫米，无毛，早落。总状花序单生或2-4个簇生于叶腋，长5-19厘米，具花10至30余朵，无毛，在同一花序中发现有雄花和两性花；花梗长2-5毫米；苞片长1-2毫米，早落；花萼外面无毛；萼筒宽钟形；萼片卵状三角形，先端圆钝；花瓣椭圆形或倒卵形，长2-4毫米，浅黄白色；雄蕊10-30，长3-4毫米；子房具柔毛，花柱短于雄蕊。果实卵球形或椭圆形，长10-16毫米，宽7-11毫米，顶端急尖或稍钝，紫黑色，无毛；核壁较薄，光滑。花期8-10月，果期冬季至翌年春季。
产湖南、江西、广东、广西、四川、贵州、云南、西藏东南部。生于山坡混交林中或沿溪常绿林下，海拔500-3600米。印度东部、孟加拉、尼泊尔、锡金、缅甸北部、泰国和老挝北部、越南北部和南部、印度尼西亚也有。
据西藏藏民说，种子榨油可供食用。

《云南植物志》|| 蔷薇科 Rosaceae ||桂樱属 Laurocerasus Tourn.ex Duh. ||尖叶桂樱 Laurocerasus undulata (D. Don) Roem.

4.尖叶桂樱（中国树木志）图版135: 5-7
波叶稠李（云南种子植物名录）
Laurocerasus undulata (D. Don) Roem. (1847); 中国植物志 (1986)*; Flora of China (2003).
Prunus undulata (D. Don) Ser. (1825); P. undulata Buch.-Ham. ex D. Don(1825); Hara (1937); Hara et Ohashi (1975); 云南种子植物名录 (1984); Cerasus acuminata Wall. (1829), nom. nud.; Wall (1831)*; Prunus wallichii Steud. (1841); Kalkm. (1965); Hara et Ohashi (1966),(1971); P. acuminata (Wall.) D. Dietrich (1843); Cerasas wallichii (Steud.) Roem (1847); Laurocerasus acuminata (Wall.) Roem. (1847); Schneid. (1906)*; Prunus microbotrys Koehne (1911); P. acuminata f. elongate Koehne (1915); P. acuminata f. mocrobotrys (Koehne) Koehne (1915); Cerasus undulata (Buch.-Ham. ex D. Don) Seringe (1925); Prunus wallichii var. crenulata F. P. Metcalf. (1940); P. microbotrys var. obovata S. Y. Hu (1980); Laurocerasus undulata f. elongate (Koehne) Yu et Lu (1984); 中国植物志 (1986); L. undulata f. microbotrys (Koehne) Yu et Lu (1984); 中国植物志 (1986); L. undulata f. pubigera Yu et Lu (1984); 中国植物志 (1986).
常绿灌木或小乔木，高5-16米。小枝灰褐色至紫褐色，具不明显小皮孔，无毛。叶片革质或薄革质，椭圆形至长圆状披针形，长6-15厘米，宽3-5厘米，先端渐尖，基部宽楔形至近圆形，全缘，稀在中部以上有少数锯齿，两面无毛，上面光亮，背面近基部常有1对扁平小基腺，另外背面沿中脉常有多数几与中脉平行的扁平小腺体，尤其在叶片下半部更为明显，侧脉6-9对，在背面稍突起，网脉不明显；叶柄长5-12毫米，无毛，无腺体；托叶长4-6毫米，无毛，早落。总状花序单生或2-4个簇生于叶腋，长5-12厘米，具花10-30，稀更多，无毛，在同一花序中有时有雄花和两性花；花梗长2-5毫米；苞片长1-2毫米，早落；花萼外面无毛，萼筒宽钟形，萼片卵状三角形，先端钝圆；花瓣椭圆形或倒卵形，长2-4毫米；子房具柔毛，花柱短于雄蕊。果实卵球形或椭圆形，长10-16毫米，宽7-11毫米，顶端急尖或稍钝圆，紫黑色，无毛；核壁较薄，光滑。花期8-10月，果期10月至翌年春季。
产贡山、福贡、勐海、勐腊、普洱、绿春、金平、屏边、双柏、广南、麻栗坡、西畴；生于海拔900-2800米的常绿阔叶林下或山谷阴处。分布于湖南、江西、广东、广西、四川、贵州和西藏东南部。印度东部、孟加拉国、尼泊尔、缅甸北部、泰国和老挝北部、越南北部至南部、印度尼西亚也有。

《Flora of China》|| Rosaceae || Laurocerasus ||尖叶桂樱 Laurocerasus

5. Laurocerasus undulata (Buchanan-Hamilton ex D. Don) M. Roemer, Fam. Nat. Syn. Monogr. 3: 92. 1847.

尖叶桂樱 jian ye gui ying

Prunus undulata Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 239. 1825; Cerasus acuminata Wallich; C. undulata (Buchanan-Hamilton ex D. Don) Seringe; C. wallichii (Steudel) M. Roemer; Laurocerasus acuminata (Wallich) M. Roemer; L. undulata (Buchanan-Hamilton ex D. Don) f. elongata (Koehne) T. T. Yü & L. T. Lu; L. undulata f. microbotrys (Koehne) T. T. Yü & L. T. Lu; L. undulata f. pubigera T. T. Yü & L. T. Lu; P. acuminata (Wallich) D. Dietrich; P. acuminata f. elongata Koehne; P. acuminata f. microbotrys (Koehne) Koehne; P. microbotrys Koehne; P. wallichii Steudel; P. wallichii var. crenulata F. P. Metcalf.

Shrubs or trees, 5–16 m tall. Branchlets grayish brown to purplish brown, glabrous, with indistinct small lenticels. Petiole 5–10(–12) mm, glabrous, without nectaries; leaf blade elliptic to oblong-lanceolate, 6–15 × 3–5 cm, herbaceous to thinly leathery, both surfaces glabrous, abaxially usually with a pair of small flat nectaries near base and sometimes additional small nectaries in many rows ± parallel to midvein especially in basal part of leaf, adaxially shiny, base broadly cuneate to subrounded, margin entire or rarely with a few teeth apically from middle, apex acuminate; secondary veins 6–9 on either side of midvein, spreading and arched, abaxially slightly raised. Racemes solitary or 2–4 in a fascicle, 5–10 cm, 10–30-flowered or more; rachis glabrous; bracts 1–2 mm, soon caducous, basal ones sometimes with a tridentate apex. Pedicel 2–5 mm, glabrous. Hypanthium broadly campanulate, outside glabrous. Sepals ovate-triangular, outside glabrous, apex obtuse. Petals yellowish white, elliptic to obovate, 2–4 mm. Stamens 10–30, 3–4 mm. Ovary pubescent. Style shorter than stamens. Drupe purplish black, ovoid-globose to ellipsoid, 1–1.6 × 0.7–1.1 cm, glabrous, apex acute to ± obtuse; endocarp ± thin, ± smooth. Fl. Aug–Oct, fr. winter to spring.

Slopes in broad-leaved evergreen and mixed coniferous forests, stream sides; 500--3600 m. Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Shaanxi, Sichuan, Xizang, Yunnan [Bangladesh, Bhutan, E India, Indonesia, N Laos, N Myanmar, Nepal, Sikkim, N Thailand, Vietnam].