杜楝Turraea pubescens
中文名（Chinese Name）：杜楝
学名（Scientific Name）：Turraea pubescens Hellen
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：
科属（Family & Genus）：楝科（Meliaceae）杜楝属
形态特征（Description）：灌木，高2-3米；幼枝被黄色柔毛，后变无毛，褐色，有纵条纹。叶片椭圆形或卵形，有时倒卵形，长5-10厘米，宽2-4.5厘米，先端渐尖，基部通常楔形或有时近圆形，两面均被疏柔毛，幼时尤甚，侧脉每边8-10条，背面略凸起，全缘，有时有不明显的疏钝齿或浅波状；叶柄通常长5-10毫米，被黄色柔毛。总状花序腋生，呈伞房花序状，总花梗极短，有花4-5朵，被绒毛；小苞片披针形，被短绒毛；花梗长约1.2厘米；花萼短，钟状，外面被绒毛，长2-3毫米，顶端5齿裂，裂齿三角形；花瓣5，白色，线状匙形，长3-4.5厘米，宽5-6厘米，顶端急尖；花药10，着生于雄蕊管的裂齿之下，雄蕊管长而狭窄，上部略膨大，4-5裂，裂片比花药长1-2倍，通常复2深裂，无毛；花盘高约1毫米，包围子房的基部，无毛；子房短，5室，花柱长，伸出于雄蕊管外，柱头瓶状。蒴果球形，直径1-1.5厘米，有种子5颗；种子长椭圆形，通常弯曲如新月状，长7毫米，宽3毫米。花期4-7月，果期8-11月。
分布（Distribution）：产广东南部及海南，生于低海拔山地或海边疏林和灌木丛中。中南半岛、印度尼西亚也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 11 Page 117
Turraea pubescens Hellenius, Kongl. Vetensk. Acad. Nya Handl. 9: 308. 1788.
杜楝 du lian| Meliaceae | Turraea
Shrubs 2-3 m tall. Young branches brown, with longitudinal stripes, covered with yellow trichomes, glabrescent. Petiole usually 5-10 mm, yellow pubescent; leaf blade elliptic, ovate, or sometimes obovate, 5-10 × 2-4.5 cm, both surfaces pubescent especially when young, secondary veins 8-10 on each side of midvein and abaxially ± prominent, base cuneate to sometimes nearly rounded, margin entire or sometimes crenate to sinuous, apex acuminate to acute. Racemes axillary, corymbiform, 4- or 5-flowered; peduncle very short, pubescent; bractlets lanceolate, pubescent. Pedicel ca. 1.2 cm. Calyx campanulate, 2-3 mm, outside pubescent, 5-lobed, lobes triangular. Petals 5, white, distinct, linear to spatulate, 3-4.5 cm, apex acute. Staminal tube cylindric, long, thin, apex inflated and 4- or 5-lobed, lobes 1-2 × as long as anthers, glabrous, and tips usually 2-cleft; anthers 10, inserted below lobes of tube. Disk ca. 1 mm high, glabrous. Ovary short, 5-locular, with 2 anatropous ovules per locule; style long, exserted from filament tube; stigma ampuliform. Capsule globose, 1-1.5 cm in diam., 5-locular, with 1 seed per locule. Seeds oblong to ellipsoid, ca. 7 × 3 mm, ± curved and lunate. Fl. Apr-Jul, fr. Aug-Nov.
Sparse forests near ocean, thickets in low-altitude hilly regions. SW Guangdong (Leizhou Bandao), S Guangxi, W Hainan [India, Indonesia, Laos, Papua New Guinea, Philippines, Thailand, Vietnam; E Australia].
（责任编辑：徐晔春）
学名（Scientific Name）：Turraea pubescens Hellen
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：
科属（Family & Genus）：楝科（Meliaceae）杜楝属
形态特征（Description）：灌木，高2-3米；幼枝被黄色柔毛，后变无毛，褐色，有纵条纹。叶片椭圆形或卵形，有时倒卵形，长5-10厘米，宽2-4.5厘米，先端渐尖，基部通常楔形或有时近圆形，两面均被疏柔毛，幼时尤甚，侧脉每边8-10条，背面略凸起，全缘，有时有不明显的疏钝齿或浅波状；叶柄通常长5-10毫米，被黄色柔毛。总状花序腋生，呈伞房花序状，总花梗极短，有花4-5朵，被绒毛；小苞片披针形，被短绒毛；花梗长约1.2厘米；花萼短，钟状，外面被绒毛，长2-3毫米，顶端5齿裂，裂齿三角形；花瓣5，白色，线状匙形，长3-4.5厘米，宽5-6厘米，顶端急尖；花药10，着生于雄蕊管的裂齿之下，雄蕊管长而狭窄，上部略膨大，4-5裂，裂片比花药长1-2倍，通常复2深裂，无毛；花盘高约1毫米，包围子房的基部，无毛；子房短，5室，花柱长，伸出于雄蕊管外，柱头瓶状。蒴果球形，直径1-1.5厘米，有种子5颗；种子长椭圆形，通常弯曲如新月状，长7毫米，宽3毫米。花期4-7月，果期8-11月。
分布（Distribution）：产广东南部及海南，生于低海拔山地或海边疏林和灌木丛中。中南半岛、印度尼西亚也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 11 Page 117
Turraea pubescens Hellenius, Kongl. Vetensk. Acad. Nya Handl. 9: 308. 1788.
杜楝 du lian| Meliaceae | Turraea
Shrubs 2-3 m tall. Young branches brown, with longitudinal stripes, covered with yellow trichomes, glabrescent. Petiole usually 5-10 mm, yellow pubescent; leaf blade elliptic, ovate, or sometimes obovate, 5-10 × 2-4.5 cm, both surfaces pubescent especially when young, secondary veins 8-10 on each side of midvein and abaxially ± prominent, base cuneate to sometimes nearly rounded, margin entire or sometimes crenate to sinuous, apex acuminate to acute. Racemes axillary, corymbiform, 4- or 5-flowered; peduncle very short, pubescent; bractlets lanceolate, pubescent. Pedicel ca. 1.2 cm. Calyx campanulate, 2-3 mm, outside pubescent, 5-lobed, lobes triangular. Petals 5, white, distinct, linear to spatulate, 3-4.5 cm, apex acute. Staminal tube cylindric, long, thin, apex inflated and 4- or 5-lobed, lobes 1-2 × as long as anthers, glabrous, and tips usually 2-cleft; anthers 10, inserted below lobes of tube. Disk ca. 1 mm high, glabrous. Ovary short, 5-locular, with 2 anatropous ovules per locule; style long, exserted from filament tube; stigma ampuliform. Capsule globose, 1-1.5 cm in diam., 5-locular, with 1 seed per locule. Seeds oblong to ellipsoid, ca. 7 × 3 mm, ± curved and lunate. Fl. Apr-Jul, fr. Aug-Nov.
Sparse forests near ocean, thickets in low-altitude hilly regions. SW Guangdong (Leizhou Bandao), S Guangxi, W Hainan [India, Indonesia, Laos, Papua New Guinea, Philippines, Thailand, Vietnam; E Australia].
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