海南粗丝木Gomphandra hainanensis
中文名（Chinese Name）：海南粗丝木
学名（Scientific Name）：Gomphandra hainanensis (Wall.) Sleum.
英文名（English Common Name）：
别名（Chinese Common Name）：粗丝木、毛蕊木
异名（Synonym）：Gomphandra terandra (Wall.) Sleum. Gomphandra cambodiana Pierre ex Gagnep. Gomphandra chingiana (Hand.-Mazz.) Sleum. Gomphandra hainanensis Merr. Stemonurus hainanensis (Merr.) Hu Stemonurus chingianus Hand.-Mazz. Lasianthera tetrandra Wall. Platea axillaris Thwaites Platea coriacea Thwaites Platea wightiana Miers Stemonurus longifolius Miers Stemonurus polymorphus var. acuminatus (Wight) Miers Stemonurus polymorphus var. angustifolius (Wight) Miers Gomphandra axillaris Wall. ex Bedd. Gomphandra hainanensis var. latifolia Gagnep. Stemonurus polymorphus var. longifolius (Wight) Miers Stemonurus polymorphus var. oblongifolius (Wight) Miers Stemonurus polymorphus var. ovalifolius (Wight) Miers Stemonurus polymorphus (Wight) Miers Stemonurus tetrandrus (Wall.) Alston Stemonurus walkeri Miers Gomphandra polymorpha var. acuminata Wight Gomphandra polymorpha var. angustifolia Wight Gomphandra polymorpha var. longifolia Wight Gomphandra polymorpha var. oblongifolia Wight Gomphandra polymorpha var. ovalifolia Wight Gomphandra polymorpha Wight Stemonurus axillaris Miers Stemonurus cambodianus (Pierre ex Gagnep.) R.A. Howard Stemonurus ceylanicus Miers Stemonurus coriaceus Miers Stemonurus gardneri Miers Stemonurus heyneanus Miers
科属（Family & Genus）：茶茱萸科（Icacinaceae）粗丝木属
形态特征（Description）：灌木或小乔木，高2-10米；树皮灰色，嫩枝绿色，密被或疏被淡黄色短柔毛。叶纸质，幼时膜质，狭披针形、长椭圆形或阔椭圆形，长6-15厘米，宽2-6厘米，先端渐尖或成尾状，基部楔形，两面无毛或幼时背面被淡黄色短柔毛，表面深绿色，背面稍淡，均具光泽，中脉在背面显著隆起，侧脉约6-8对，表面明显，背面稍隆起，斜上升，至边缘互相网结，网脉不明显；叶柄长0.5-1.5厘米，略被短柔毛。聚伞花序与叶对生，有时腋生，长2-4厘米，密被黄白色短柔毛，具花序柄，花梗长0.2-0.5厘米。雄花黄白色或白绿色，5数，长约5毫米；萼短，长不到0.5毫米，浅5裂；花冠钟形，长3-4毫米，花瓣裂片近三角形，先端急渐尖，内向弯曲；雄蕊稍长于花冠，约3.5-4.5毫米，花丝肉质而宽扁，宽约1毫米，上部具白色微透明的棒状髯毛，花药卵形，长约0.5毫米，黄白色，子房不发育，小，长约0.5(-1）毫米。雌花黄白色，长约5毫米；花萼微5裂，长不到0.5毫米，花冠钟形，长约0.5毫米，花瓣裂片长三角形，边缘内卷，先端内弯，雄蕊不发育，较花冠略短，花丝扁，宽约1毫米，两端较窄，上部具白色微透明的短棒状髯毛，子房圆柱状，无毛或有时被毛，柱头小，5裂稍下延于子房上。核果椭圆形，长(1.2-)2-2.5厘米，径（0.5-)0.7-1.2厘米，由青转黄，成熟时白色，浆果状，干后有明显的纵棱，果柄略被短柔毛。花果期全年。
分布（Distribution）：产云南、贵州、广西、广东。生于海拔500-2200米的疏、密林下、石灰山林内及路旁灌丛、林缘。印度、斯里兰卡、缅甸、泰国、柬埔寨、越南也有。
用途（Use）：
引自中国植物志英文版FOC Vol. 11 Page 506, 507
Gomphandra tetrandra (Wallich) Sleumer, Notizbl. Bot. Gart. Berlin-Dahlem. 15: 238. 1940.
粗丝木 cu si mu| Icacinaceae | Gomphandra
Lasianthera tetrandra Wallich in Roxburgh, Fl. Ind. 2: 328. 1824; Gomphandra cambodiana Pierre ex Gagnepain; G. chingiana (Handel-Mazzetti) Sleumer; G. hainanensis Merrill; G. pauciflora Craib; Nyssa sinensis Oliver var. oblongifolia W. P. Fang & T. P. Soong; Stemonurus chingianus Handel-Mazzetti; S. hainanensis (Merrill) Hu.
Shrubs or small trees, 2-10 m tall. Bark gray; young branches green, densely or sparsely yellow pubescent. Petiole 0.5-1.5 cm, minutely pubescent; leaf blade shiny, abaxially light green, adaxially dark green, narrowly lanceolate or narrowly or broadly elliptic, 6-15 × 2-6 cm, membranous when young, glabrate or abaxially yellowish pubescent, midvein conspicuously prominent abaxially, lateral veins 6-8 pairs, obliquely ascending, reticulate veins inconspicuous, base cuneate, apex acuminate or caudate. Cymes opposite leaves, sometimes axil lary, 2-4 cm, densely yellow-white pubescent; peduncle 2-5 mm. Staminate flowers yellow-white or white-green, 5-merous, ca. 5 mm; calyx short, to 0.5 mm, shallowly 5-lobed; corolla campanulate, 3-4 mm; lobes subtriangular, apex abruptly acuminate, incurved; stamens slightly longer than petals, 3.5-4.5 mm; filaments flat, ca. 1 mm wide, fleshy, apex white clavate pilose; anthers yellow-white, ovoid, ca. 0.5 mm; ovary undeveloped, small, 0.5-1 mm. Pistillate flowers yellow-white, ca. 5 mm; calyx as in staminate flowers; corolla campanulate, ca. 5 mm; lobes narrowly triangular, margin involute, apex incurved; stamens undeveloped, shorter than corolla; filaments as in staminate flowers; ovary terete, glabrous or sometimes pubescent; stigma small, 5-lobed to ovary. Drupe berrylike, changing from green to yellow to white, ellipsoid, (1.2-)2-2.5 cm × (5-)7-12 mm, conspicuously longitudinally ribbed when dry; fruiting peduncle slightly pubescent. Fl. and fr. all seasons.
Sparse woods, dense forests, roadside scrub, valleys; 500-2200 m. Guangdong, Guangxi, Guizhou, Hainan, Yunnan [Cambodia, India, Laos, Myanmar, Sri Lanka, Thailand, Vietnam].
（责任编辑：徐晔春）
学名（Scientific Name）：Gomphandra hainanensis (Wall.) Sleum.
英文名（English Common Name）：
别名（Chinese Common Name）：粗丝木、毛蕊木
异名（Synonym）：Gomphandra terandra (Wall.) Sleum. Gomphandra cambodiana Pierre ex Gagnep. Gomphandra chingiana (Hand.-Mazz.) Sleum. Gomphandra hainanensis Merr. Stemonurus hainanensis (Merr.) Hu Stemonurus chingianus Hand.-Mazz. Lasianthera tetrandra Wall. Platea axillaris Thwaites Platea coriacea Thwaites Platea wightiana Miers Stemonurus longifolius Miers Stemonurus polymorphus var. acuminatus (Wight) Miers Stemonurus polymorphus var. angustifolius (Wight) Miers Gomphandra axillaris Wall. ex Bedd. Gomphandra hainanensis var. latifolia Gagnep. Stemonurus polymorphus var. longifolius (Wight) Miers Stemonurus polymorphus var. oblongifolius (Wight) Miers Stemonurus polymorphus var. ovalifolius (Wight) Miers Stemonurus polymorphus (Wight) Miers Stemonurus tetrandrus (Wall.) Alston Stemonurus walkeri Miers Gomphandra polymorpha var. acuminata Wight Gomphandra polymorpha var. angustifolia Wight Gomphandra polymorpha var. longifolia Wight Gomphandra polymorpha var. oblongifolia Wight Gomphandra polymorpha var. ovalifolia Wight Gomphandra polymorpha Wight Stemonurus axillaris Miers Stemonurus cambodianus (Pierre ex Gagnep.) R.A. Howard Stemonurus ceylanicus Miers Stemonurus coriaceus Miers Stemonurus gardneri Miers Stemonurus heyneanus Miers
科属（Family & Genus）：茶茱萸科（Icacinaceae）粗丝木属
形态特征（Description）：灌木或小乔木，高2-10米；树皮灰色，嫩枝绿色，密被或疏被淡黄色短柔毛。叶纸质，幼时膜质，狭披针形、长椭圆形或阔椭圆形，长6-15厘米，宽2-6厘米，先端渐尖或成尾状，基部楔形，两面无毛或幼时背面被淡黄色短柔毛，表面深绿色，背面稍淡，均具光泽，中脉在背面显著隆起，侧脉约6-8对，表面明显，背面稍隆起，斜上升，至边缘互相网结，网脉不明显；叶柄长0.5-1.5厘米，略被短柔毛。聚伞花序与叶对生，有时腋生，长2-4厘米，密被黄白色短柔毛，具花序柄，花梗长0.2-0.5厘米。雄花黄白色或白绿色，5数，长约5毫米；萼短，长不到0.5毫米，浅5裂；花冠钟形，长3-4毫米，花瓣裂片近三角形，先端急渐尖，内向弯曲；雄蕊稍长于花冠，约3.5-4.5毫米，花丝肉质而宽扁，宽约1毫米，上部具白色微透明的棒状髯毛，花药卵形，长约0.5毫米，黄白色，子房不发育，小，长约0.5(-1）毫米。雌花黄白色，长约5毫米；花萼微5裂，长不到0.5毫米，花冠钟形，长约0.5毫米，花瓣裂片长三角形，边缘内卷，先端内弯，雄蕊不发育，较花冠略短，花丝扁，宽约1毫米，两端较窄，上部具白色微透明的短棒状髯毛，子房圆柱状，无毛或有时被毛，柱头小，5裂稍下延于子房上。核果椭圆形，长(1.2-)2-2.5厘米，径（0.5-)0.7-1.2厘米，由青转黄，成熟时白色，浆果状，干后有明显的纵棱，果柄略被短柔毛。花果期全年。
分布（Distribution）：产云南、贵州、广西、广东。生于海拔500-2200米的疏、密林下、石灰山林内及路旁灌丛、林缘。印度、斯里兰卡、缅甸、泰国、柬埔寨、越南也有。
用途（Use）：
引自中国植物志英文版FOC Vol. 11 Page 506, 507
Gomphandra tetrandra (Wallich) Sleumer, Notizbl. Bot. Gart. Berlin-Dahlem. 15: 238. 1940.
粗丝木 cu si mu| Icacinaceae | Gomphandra
Lasianthera tetrandra Wallich in Roxburgh, Fl. Ind. 2: 328. 1824; Gomphandra cambodiana Pierre ex Gagnepain; G. chingiana (Handel-Mazzetti) Sleumer; G. hainanensis Merrill; G. pauciflora Craib; Nyssa sinensis Oliver var. oblongifolia W. P. Fang & T. P. Soong; Stemonurus chingianus Handel-Mazzetti; S. hainanensis (Merrill) Hu.
Shrubs or small trees, 2-10 m tall. Bark gray; young branches green, densely or sparsely yellow pubescent. Petiole 0.5-1.5 cm, minutely pubescent; leaf blade shiny, abaxially light green, adaxially dark green, narrowly lanceolate or narrowly or broadly elliptic, 6-15 × 2-6 cm, membranous when young, glabrate or abaxially yellowish pubescent, midvein conspicuously prominent abaxially, lateral veins 6-8 pairs, obliquely ascending, reticulate veins inconspicuous, base cuneate, apex acuminate or caudate. Cymes opposite leaves, sometimes axil lary, 2-4 cm, densely yellow-white pubescent; peduncle 2-5 mm. Staminate flowers yellow-white or white-green, 5-merous, ca. 5 mm; calyx short, to 0.5 mm, shallowly 5-lobed; corolla campanulate, 3-4 mm; lobes subtriangular, apex abruptly acuminate, incurved; stamens slightly longer than petals, 3.5-4.5 mm; filaments flat, ca. 1 mm wide, fleshy, apex white clavate pilose; anthers yellow-white, ovoid, ca. 0.5 mm; ovary undeveloped, small, 0.5-1 mm. Pistillate flowers yellow-white, ca. 5 mm; calyx as in staminate flowers; corolla campanulate, ca. 5 mm; lobes narrowly triangular, margin involute, apex incurved; stamens undeveloped, shorter than corolla; filaments as in staminate flowers; ovary terete, glabrous or sometimes pubescent; stigma small, 5-lobed to ovary. Drupe berrylike, changing from green to yellow to white, ellipsoid, (1.2-)2-2.5 cm × (5-)7-12 mm, conspicuously longitudinally ribbed when dry; fruiting peduncle slightly pubescent. Fl. and fr. all seasons.
Sparse woods, dense forests, roadside scrub, valleys; 500-2200 m. Guangdong, Guangxi, Guizhou, Hainan, Yunnan [Cambodia, India, Laos, Myanmar, Sri Lanka, Thailand, Vietnam].
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