囊瓣木Saccopetalum prolificum (Chun et How) Tsiang
囊瓣木Saccopetalum prolificum (Chun et How) Tsiang
1．囊瓣木（植物分类学报） 黄皮椿（海南吊罗山）；黄皮藤椿（海南尖峰岭）图版17
Saccopetalum prolificum (Chun et How) Tsiang, 植物分类学报9: 380. 1964; 蒋英、李秉滔, 海南植物志1: 254, 图126. 1964; 朱志淞等, 海南主要经济树木93, 图19. 1964; 中国高等植物图鉴1: 811, 图1622. 1972.——Alphonsea mollis sensu Merr. et Chun in Sunyatsenia 2: 230. 1935, non Dunn. ——A. prolifica Chun et How, 植物分类学报7: 1. 1958.
乔木，高25米，胸径达50厘米；树干挺直，树皮淡黄褐色，韧皮部黄褐色，略有腥味。叶常绿，纸质，椭圆形至长圆形，长4-13厘米，宽1.8-4厘米，顶端急尖或渐尖，基部圆形而稍偏斜，上面被疏柔毛，中脉上较密，下面密被长柔毛；侧脉每边10-14条，纤细，两面稍明显；叶柄长约2毫米，密被黄褐色柔毛。花暗红色，单朵腋生，长约2厘米，密被长柔毛；花梗长1.5厘米，密被长柔毛；萼片两面及花瓣两面均密被柔毛；萼片阔三角形，长3毫米；外轮花瓣披针形，长7毫米，宽1毫米，内轮花瓣卵状披针形，长2厘米，宽约1厘米，有一条明显的中脉；雄蕊长约1毫米，向内弯；心皮密被长绢毛，每心皮有胚珠8颗，2排，柱头卵圆形，无毛。果15-30个，卵状或近圆球状，长和宽1-2厘米，被微柔毛，初时黄绿色，成熟时暗红色，内有种子2-8颗；种子肾形，长1.1厘米，直径5毫米；果柄长1-1.5厘米，被柔毛。花期3-4月，果期7-8月。
产于广东海南岛。生于山谷密林中。本种模式标本采自保亭兴隆深井岭。
木材通直，致密，质硬不裂，适于车辆、农具、机械器具和建筑用材。
《Flora of China》 Vol. 19 (2011)
Miliusa horsfieldii (Bennett) Pierre Fl. Forest. Cochinch. t. 38. 1881.
囊瓣木 nang ban mu
Saccopetalum horsfieldii Bennett, Pl. Jav. Rar. 165. 1840; Alphonsea prolifica Chun & F. C. How; Miliusa prolifica (Chun & F. C. How) P. T. Li; M. tectona C. E. Parkinson; S. arboreum Elmer; S. lineatum Craib; S. prolificum (Chun & F. C. How) Tsiang; S. unguiculatum Fischer.
Trees to 15[-35] m tall, evergreen, d.b.h. to 50 cm. Bark ochre-colored. Branches villous. Petiole ca. 2 mm, villous; leaf blade elliptic to oblong, 4-13 × 1.8-4 cm, papery, abaxially villous, adaxially sparsely pubescent but densely so on veins, secondary veins 10-14 on each side of midvein, base rounded and slightly oblique, apex acute to acuminate. Inflorescences axillary, cymose, 1-30-flowered. Pedicel 1.5-3 cm, recurved. Sepals broadly triangular, ca. 3(-10) × 1-2 mm. Petals dark red; outer petals lanceolate, ca. 7(-13) × 1-2 mm, reflexed at anthesis; inner petals ovate-lanceolate, 20-26(-40) × 5-10(-15) mm, incurved, with a conspicuous midvein. Stamens ca. 1 mm. Carpels incurved crescent, densely sericeous; ovules 8 per carpel, in 2 series; stigmas ovoid, glabrous. Monocarp stipes 1-1.5 cm; monocarps 5-20, dark red at maturity, globose to subglobose, 1-2 cm in diam., puberulent. Seeds 2-8 per monocarp, reniform, ca. 11 × 5 mm. Fl. Mar-Jun, fr. Jul-Aug.
Dense forests, woodlands; 300-1000 m. Guangdong, Hainan [India (Andaman and Nicobar Islands), Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand; Australia].
The timber from Miliusa horsfieldii is straight, hard, non-splitting, and fine grained and is used for vehicle construction, agricultural implements, machinery, etc. Merrill and Chun (Sunyatsenia 2: 230. 1935) misidentified material of this species as Alphonsea mollis Dunn.The timber from Miliusa horsfieldii is straight, hard, non-splitting, and fine grained and is used for vehicle construction, agricultural implements, machinery, etc. Merrill and Chun (Sunyatsenia 2: 230. 1935) misidentified material of this species as Alphonsea mollis Dunn.
别名：黄皮椿;
科名：番荔枝科 Annonaceae
属名：囊瓣木属 Saccopetalum
1．囊瓣木（植物分类学报） 黄皮椿（海南吊罗山）；黄皮藤椿（海南尖峰岭）图版17
Saccopetalum prolificum (Chun et How) Tsiang, 植物分类学报9: 380. 1964; 蒋英、李秉滔, 海南植物志1: 254, 图126. 1964; 朱志淞等, 海南主要经济树木93, 图19. 1964; 中国高等植物图鉴1: 811, 图1622. 1972.——Alphonsea mollis sensu Merr. et Chun in Sunyatsenia 2: 230. 1935, non Dunn. ——A. prolifica Chun et How, 植物分类学报7: 1. 1958.
乔木，高25米，胸径达50厘米；树干挺直，树皮淡黄褐色，韧皮部黄褐色，略有腥味。叶常绿，纸质，椭圆形至长圆形，长4-13厘米，宽1.8-4厘米，顶端急尖或渐尖，基部圆形而稍偏斜，上面被疏柔毛，中脉上较密，下面密被长柔毛；侧脉每边10-14条，纤细，两面稍明显；叶柄长约2毫米，密被黄褐色柔毛。花暗红色，单朵腋生，长约2厘米，密被长柔毛；花梗长1.5厘米，密被长柔毛；萼片两面及花瓣两面均密被柔毛；萼片阔三角形，长3毫米；外轮花瓣披针形，长7毫米，宽1毫米，内轮花瓣卵状披针形，长2厘米，宽约1厘米，有一条明显的中脉；雄蕊长约1毫米，向内弯；心皮密被长绢毛，每心皮有胚珠8颗，2排，柱头卵圆形，无毛。果15-30个，卵状或近圆球状，长和宽1-2厘米，被微柔毛，初时黄绿色，成熟时暗红色，内有种子2-8颗；种子肾形，长1.1厘米，直径5毫米；果柄长1-1.5厘米，被柔毛。花期3-4月，果期7-8月。
产于广东海南岛。生于山谷密林中。本种模式标本采自保亭兴隆深井岭。
木材通直，致密，质硬不裂，适于车辆、农具、机械器具和建筑用材。
《Flora of China》 Vol. 19 (2011)
Miliusa horsfieldii (Bennett) Pierre Fl. Forest. Cochinch. t. 38. 1881.
囊瓣木 nang ban mu
Saccopetalum horsfieldii Bennett, Pl. Jav. Rar. 165. 1840; Alphonsea prolifica Chun & F. C. How; Miliusa prolifica (Chun & F. C. How) P. T. Li; M. tectona C. E. Parkinson; S. arboreum Elmer; S. lineatum Craib; S. prolificum (Chun & F. C. How) Tsiang; S. unguiculatum Fischer.
Trees to 15[-35] m tall, evergreen, d.b.h. to 50 cm. Bark ochre-colored. Branches villous. Petiole ca. 2 mm, villous; leaf blade elliptic to oblong, 4-13 × 1.8-4 cm, papery, abaxially villous, adaxially sparsely pubescent but densely so on veins, secondary veins 10-14 on each side of midvein, base rounded and slightly oblique, apex acute to acuminate. Inflorescences axillary, cymose, 1-30-flowered. Pedicel 1.5-3 cm, recurved. Sepals broadly triangular, ca. 3(-10) × 1-2 mm. Petals dark red; outer petals lanceolate, ca. 7(-13) × 1-2 mm, reflexed at anthesis; inner petals ovate-lanceolate, 20-26(-40) × 5-10(-15) mm, incurved, with a conspicuous midvein. Stamens ca. 1 mm. Carpels incurved crescent, densely sericeous; ovules 8 per carpel, in 2 series; stigmas ovoid, glabrous. Monocarp stipes 1-1.5 cm; monocarps 5-20, dark red at maturity, globose to subglobose, 1-2 cm in diam., puberulent. Seeds 2-8 per monocarp, reniform, ca. 11 × 5 mm. Fl. Mar-Jun, fr. Jul-Aug.
Dense forests, woodlands; 300-1000 m. Guangdong, Hainan [India (Andaman and Nicobar Islands), Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand; Australia].
The timber from Miliusa horsfieldii is straight, hard, non-splitting, and fine grained and is used for vehicle construction, agricultural implements, machinery, etc. Merrill and Chun (Sunyatsenia 2: 230. 1935) misidentified material of this species as Alphonsea mollis Dunn.The timber from Miliusa horsfieldii is straight, hard, non-splitting, and fine grained and is used for vehicle construction, agricultural implements, machinery, etc. Merrill and Chun (Sunyatsenia 2: 230. 1935) misidentified material of this species as Alphonsea mollis Dunn.