《中国植物志》|| 马鞭草科 VERBENACEAE ||纵裂药系 Ser. Callicarpae ||裸花紫珠 Callicarpa nudiflora Hook. & Arn.

7．裸花紫珠（植物分类学报）
Callicarpa nudiflora Hook. et Arn. Bot. Beechey's Voy. 206. 1836; Moldenke in Fedde, Repert. Sp. Nov. 40: 113. 1936; 张宏达, 植物分类学报1(1): 283. 1951; 侯宽昭等, 广州植物志629, 图336. 1956; Moldenke in Phytologia 21 (5): 341-347. 1971;中国高等植物图鉴3: 528, 图5117. 1974.——Callicarpa a cuminata Roxb. Fl. Ind. 1: 480. 1820 et Fl. Ind. Carey ed. 1: 394. 1832, non H. B. K. ; C. B. Clarke in Hook. f. Fl. Brit. Ind. 4: 570. 1885; Lam et Bakh. in Bull. Jard. Bot. Buitenz. 3: 22. 1921; P'ei in Mem. Sci. Soc. China 1 (3): 42. 1932; Metc. in Lingn. Sci. Journ. 11: 407. 1932. ——Callicarpa reevesii Wall. List. no. 1830, nom. nud. ; Schauer in DC. Prodr. 11: 641. 1847; Benth. Fl. Hongk. 270. 1861; C. B. Clarke in Hook. f. Fl. Brit. Ind. 4: 568. 1885; Maxim. in Bull. Acad. Sci. St. Petersb. 31: 75. 1886; Forbes et Hemsl. in Journ. Linn. Soc. Bot. 26: 254. 1890; Dunn et Tutch. in Kew Bull. Add. Ser. 10: 202. 1912; Lam et Bakh. Verb. Malay. Archip. etc. 65. 1919; Merr. in Lingn. Sci. Journ. 5: 157. 1927; Chung in Mem. Sci. Soc. China 1 (1): 226. 1924; P. Dop in Lecomte, Fl. Gen. L' Indo-Chine 4: 791. 1935. ——Callicarpa macrophylla Vahl var. sinensis C. B. Clarke in Hook. f. Fl. Brit. Ind. 4: 568. 1885.——Callicarpa acuminata Roxb. var. angustifolia Metc. in Lingn. Sci. Journ. 11: 407. 1932.
灌木至小乔木，高（1） -3-4-（7）米；老枝无毛而皮孔明显，小枝、叶柄与花序密生灰褐色分枝茸毛。叶片卵状长椭圆形至披针形，长12-22厘米，宽4-7厘米，顶端短尖或渐尖，基部钝或稍呈圆形，表面深绿色，干后变黑色，除主脉有星状毛外，余几无毛，背面密生灰褐色茸毛和分枝毛，侧脉14-18对，在背面隆起，边缘具疏齿或微呈波状；叶柄长1-2厘米。聚伞花序开展，6-9次分歧，宽8-13厘米，花序梗长3-8厘米，花柄长约1毫米；苞片线形或披针形；花萼杯状，通常无毛，顶端截平或有不明显的4齿；花冠紫色或粉红色，无毛，长约2毫米；雄蕊长于花冠2-3倍，花药椭圆形，细小，药室纵裂；子房无毛。果实近球形，径约2毫米，红色，干后变黑色。花期6-8月，果期8-12月。
产广东、广西。生于平地至海拔1200米的山坡、谷地、溪旁林中或灌丛中。印度、越南、马来西亚、新加坡也有分布。模式标本采自广东。
叶药用，有止血止痛、散瘀消肿之效。治外伤出血、跌打肿痛、风湿肿痛、肺结核咯血、胃肠出血；有些单位已提炼成注射液，证明是一种良好止血药（《广东中草药》、《万山草药》）。
本种叶表面干后变黑色，背面密生灰褐色茸毛；聚伞花序开展，花序梗极长；萼与花冠无毛；果实干后变黑色，可资识别。

《Flora of China》|| Verbenaceae || Callicarpa ||裸花紫珠 Callicarpa nudiflora

6. Callicarpa nudiflora Vahl, Bot. Beechey Voy. 206. 1836.

裸花紫珠 luo hua zi zhu

Callicarpa acuminata Roxburgh (1832), not Kunth (1818); C. acuminata var. angustifolia Metcalf; C. macro-phylla Vahl var. sinensis C. B. Clarke; C. reevesii Wallich ex Schauer.

Shrubs or small trees; young branchlets, petioles, abaxial leaf surfaces, and inflorescences unevenly gray-brown stellate tomentose. Leaf blade ovate-elliptic to lanceolate, 12-22 X 4-7 cm, abaxially densely gray-brown unevenly stellate tomentose, adaxially dark green-black and glabrescent except for stellate tomentose veins, base obtuse to subrounded, margin serrate, slightly undulate, or subentire. Cymes 8-13 cm across; peduncle 3-8 cm; bracts linear-lanceolate. Pedicel ca. 1 mm. Calyx usually glabrous, truncate to obscurely 4-dentate. Corolla purple to pink, ca. 2 mm, glabrous. Stamens 2-3 X as long as corolla. Ovary glabrous. Fruit ca. 2 mm in diam. Fl. Jun-Aug, fr. Aug-Dec.

Mixed forests; ca. 1000 m. Guangdong, Guangxi, Hainan [Bangladesh, India, Malaysia, Myanmar, Singapore, Sri Lanka, Vietnam]

Medicinal.