落萼叶下珠Phyllanthus flexuosus (Sieb. et Zucc.) Muell. Arg

别名：青灰叶下珠;红五眼;叶底珠;红鱼眼;木本叶下珠;曲折叶下珠;小叶下珠;弯曲叶下珠;变曲叶下珠;叶下珠;

科名：大戟科 Euphorbiaceae

属名：叶下珠属 Phyllanthus

《中国植物志》第44(1)卷086页
  4.落萼叶下珠（植物分类学报）红五眼（广西），弯曲叶下珠（湖北植物志）图版22：7-10
  Phyllanthus flexuosus (Sieb. et Zucc.) Muell. Arg. in DC. Prodr. 15 (2): 324. 1866; Hemsl. in Journ. Linn. Soc. Bot. 26: 421. 1894; Hutch. in Sarg. Plwilson. 2: 519. 1916; Airy Shaw in Kew Bull. 25: 493. 1971: Ohwi, Fl. Jap. newed. rev. enl. 834. 1978;湖北植物志2: 362. fig. 1260. 1979; Chin in Acta Phytotax. Sin. 19: 349, 1981. ——Cicca flexuosa Sieb. et Zucc. Abh. Akad. Muench. 4 (2): 143. 1845. ——Hemicicca japonica Baill. Etud. Gen. Euphorb. 646. 1858. ——Phyllanthus japonicus (Baill.) Muell. Arg. in Linnaea 32: 52-863.——Glochidion flexuosum (Sieb. et. Zucc.) Muell. Arg. ex Miq. in Ann. Mus. Lugdd.-Bat. 3: 128. 1867. ——Hemicicca flexuosa (Sieb. et Zucc.) Hurusawa in Bot. Mag. Tokyo 60: 71. 1947.
  灌木，高达3米；枝条弯曲，小枝长8-15厘米，褐色；全株无毛。叶片纸质，椭圆形至卵形，长2-4.5厘米，宽1-2.5厘米，顶端渐尖或钝，基部钝至圆，下面稍带白绿色；侧脉每边5-7条；叶柄长2-3毫米；托叶卵状三角形，早落。雄花数朵和雌花1朵簇生于叶腋；雄花：花梗短；萼片5，宽卵形或近圆形，长约1毫米，暗紫红色；花盘腺体5；雄蕊5，花丝分离，花药2室，纵裂；花粉粒球形或近球形，具3孔沟，沟细长，内孔圆形；雌花：直径约3毫米；花梗长约1厘米；萼片6，卵形或椭圆形，长约1毫米；花盘腺体6；子房卵圆形，3室，花柱3，顶端2深裂。蒴果浆果状，扁球形，直径约6毫米，3室，每室1颗种子，基部萼片脱落；种子近三棱形，长约3毫米。花期4-5月，果期6-9月。
  产于江苏、安徽、浙江、江西、福建、湖北、湖南、广东、广西、四川、贵州和云南等省区，生于海拔700-1500米山地疏林下、沟边、路旁或灌丛中。日本也有。模式标本采自日本。

《Flora of China》 Vol. 11 (2008)
Phyllanthus flexuosus  (Siebold & Zuccarini) Müller Argoviensis
落萼叶下珠   luo e ye xia zhu
Cicca flexuosa Siebold & Zuccarini, Abh. Math.-Phys. Cl. Konigl. Bayer. Akad. Wiss. 4(2): 143. 1845; Glochidion flexuosum (Siebold & Zuccarini) Müller Argoviensis; Hemicicca flexuosa (Siebold & Zuccarini) Huru sawa; H. japonica Baillon; Phyllanthus japonicus (Baillon) Müller Argoviensis.
Shrubs up to 3 m tall, monoecious, glabrous throughout; main branches slightly zigzag, with distinct short shoots; leafy branchlets 8-15 cm, brownish. Leaves progressively larger along shoot, distichous; stipules ovate-triangular, caducous; petioles 2-3 mm, rugulose when dried; leaf blade elliptic to ovate, 2-4.5 × 1-2.5 cm, papery, slightly white-green abaxially, base obtuse to rounded, apex acuminate or obtuse; lateral veins 5-7 pairs. Inflorescence an axillary fascicle with up to 5 male and 1 female flowers. Male flowers: pedicels short; sepals 5, broadly ovate or rounded, ca. 1 mm, dark purple; disk glands 5; stamens 5; filaments free; anthers 0.3-0.4 mm, longitudinally dehiscent. Female flowers ca. 3 mm in diam.; pedicels ca. 1 cm; sepals 6, ovate or elliptic, ca. 1 mm, caducous; disk glands 6; ovary ovoid, 3-celled; styles 3, bifid at apex, exserted from calyx. Fruit a berry, oblate, ca. 6 mm wide, 3-celled. Seeds subtriangular, ca. 3 mm. Fl. Apr-May, fr. Jun-Sep.
Open forests or scrub; 700-1500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Sichuan, Yunnan, Zhejiang [Japan].