白背叶Mallotus apelta (Lour.) Muell. Arg.

别名：野梧桐;白背叶野桐;白背桐;白背树;白背娘;白背木;白桃叶;席筋皮;叶下白;白吊粟;野线麻;北背桐;野麻;野椿麻;野洋麻;野胡油麻;吊粟;白桐树;白桐子;白叶野桐;白玉麻;白浊子;谷粟麻;达达两;白活叶;狗尾巴树;狗尾粟;野枸麻;白朴树;广西白背桐;白帽顶;白桐;假苎叶;白面风;白鹤叶;巴巴树;白燕根;天青地白柴;毛芙蓉树;白面枫;山白苎;白吊栗;灰泡树;狗尾树;狗骨头子;白意根;野树麻叶;白叶仔;野桐;山桐;白楸;山桐子;白面戟;楸桐;泡泡桐;母子树;貓屎段;酒药子树;假白麻;野构麻;白心小娘;白小娘;白泡树;坑桐;

科名：大戟科 Euphorbiaceae

属名：野桐属 Mallotus

《中国植物志》第44(2)卷039页
  22.白背叶（广州植物志）酒药子树（植物名实图考），野桐（海南），白背桐、吊粟（广东）
  Mallotus apelta (Lour.) Muell. Arg. in Linnaea 34: 189. 1865, et in DC. Prodr. 15 (2): 963. 1866; Hance in Journ. Linn. Soc. Bot. 13: 122. 1873; Forb. et Hemsl. in Journ. Linn. Soc. Bot. 26: 439. 1894; Pax et Hoffm. in Engl. Pflanzenr. 63 (IV. 147. VII): 171. 1914; Gagnep. in Lee. Fl. Gen. Indo-Chine 5: 354. 1925; Merr. In Trans. Am. Philos. Soc. new ser. 24 (2): 237. 1935; Croiz. in Journ. Arn. Arb. 19:142. 1938, pro parte; 广州植物志, 278, 图141. 1956; 海南植物志2: 154, 图371.1965; 中国高等植物志图鉴2: 599, 图2927. 1972, pro parte. ——Ricinus apelta Lour.Fl. Cochinch. 589. 1790. -Rottlera chineis A. Juss. Euphorb. Gen. Tent. 33. 1824; Hook. et Arn. Bot. Beech. Voy. 212. 1836; Benth. Fl. Hongk. 306.1861. ——R. carztoniensis Spreng. Syst. Veg. 3: 878. 1826.

《Flora of China》 Vol. 11 (2008)
Mallotus apelta  (Loureiro) Müller Argoviensis
白背叶   bai bei ye
Shrubs or small trees 1-6 m tall. Branchlets whitish and brownish stellate-tomentulose when young. Stipules subulate, 2.5-4 mm, deciduous; petiole 5-15 cm, whitish tomentulose; leaf blade broadly ovate, 5-60 × 4-20 cm, papery, abaxially whitish tomentulose and scattered orange glandular-scaly, adaxially glabrescent or sparsely stellate-pilosulose, base truncate or contracted cuneate, rarely slightly cordate, with 2 basal glands, margin repand-denticulate, apex acute or acuminate; basal veins 3. Male inflorescences terminal, branched or unbranched, 15-50 cm, whitish tomentulose; bracts triangular, ca. 2.5 mm. Male flowers 1-5-fascicled; pedicel ca. 3 mm; calyx lobes 4, ovate, ca. 3 mm, tomentulose; stamens 50-75. Female inflorescences unbranched; peduncle 5-10 cm; bracts linear ca. 3 mm; infructescence 15-60 cm, densely cylindric, whitish tomentose. Female flowers: pedicel 1.5-2 mm; calyx lobes 3-5, ovate to triangular, 2.5-3 mm, tomentose; ovary 3(or 4)-locular, with stellate-tomentulose hairs; style ca. 3 mm, plumose. Capsule subglobose, densely softly spiny, spines filiform, 3-8 mm, whitish stellate-pubescent. Seeds ovoid, ca. 4 mm, often black, verruculose. Fl. May-Sep, fr. Aug-Nov.
Hill slopes, mountain valleys, thickets, forests; below 100-1000 m. SW Fujian, Guangdong, Guangxi, Hainan, S Hunan, S Jiangxi, S Yunnan [Vietnam].

《全国中草药汇编》:白背叶

【拼音名】 Bái Bèi Yè
【别名】 野桐、叶下白、白背木、白背娘、白朴树、白帽顶
【来源】 为大戟科野桐属植物白背叶Mallotus apelta （Lour.） Muell.-Arg.以根及叶入药。根全年可采，洗净，切片，晒干。叶多鲜用，或夏、秋采集，晒干研粉。
【性味】 微苦、涩，平。
【功能主治】 根：柔肝活血，健脾化湿，收敛固脱。用于慢性肝炎，肝脾肿大，子宫脱垂，脱肛，白带，妊娠水肿。叶：消炎止血。外用治中耳炎，疖肿，跌打损伤，外伤出血。
【用法用量】 根0.5～1两；叶外用适量，鲜叶捣烂敷或干叶研粉敷患处。
【摘录】 《全国中草药汇编》