无柄新乌檀Neonauclea sessilifolia (Roxb.) Merr.
无柄新乌檀Neonauclea sessilifolia (Roxb.) Merr.
1. 无柄新乌檀（中国高等植物图鉴）图版68
Neonauclea sessilifolia (Roxb.) Merr. in Journ. Wash. Acad. Sci. 5: 542. 1915; How in Sunyatsenia 6: 250. 1946; 中国高等植物图鉴4: 187, 图5788. 1975; Ridsd in Blumea 24 (2): 338. 1978; 徐祥浩等, 华南农学院学报2 (4): 31. 1981. ——Nauclea sessilifolia Roxb. Fl. Ind. ed. Carey 2: 124. 1824; Havil. in Journ. Linn. Soc. Bot. 33: 51. 1879. ——Adina sessilifolia (Roxb.) Hook. f. ex Brandis, For. Fl. N. W. ＆ C. India 264. 1874, in nota; Hook. f. Fl. Brit. Ind. 3: 24. 1880; Pitard in Lecomte, Fl. Gen. Indo-Chine 3: 36, 1922. ——Nauclea sericea Wall. ex G. Don, Gen. Hist. 3: 467. 1834.
乔木，高7-30米；树皮浅黑色，龟裂，内皮褐色；顶芽椭圆形至倒卵形，极压扁。叶厚纸质或薄革质，椭圆形至椭圆状长圆形，或正圆形，长12-20厘米，宽5-10厘米，顶端钝，基部圆，有时下延或略为耳状，两面均无毛；侧脉6-9对，脉腋有窝孔，窝孔无毛或有稀疏的毛；无叶柄，有时具粗短的叶柄，无毛；托叶宽椭圆形至倒卵形，无毛。花序梗1-3，长达8厘米；头状花序不计花冠直径20-25毫米；小苞片长1-2毫米；花萼管无毛或外面具稀疏的毛，萼裂片密被白色毛，长5-7毫米；花冠高脚碟状至窄漏斗形，花冠管的外面基部略具短柔毛，花冠裂片三角状或椭圆形，外面密被苍白色毛；花柱伸出。果序直径25-35毫米；小蒴果略被短柔毛，顶部有宿存花萼。花期10月。
产于云南和台湾；生于海拔500-800米处的山地杂木林内或灌丛中。国外分布于缅甸、泰国、柬埔寨、老挝、越南、印度和印度尼西亚。
《Flora of China》 Vol. 19 (2011)
Neonauclea sessilifolia (Roxburgh) Merrill J. Wash. Acad. Sci. 5: 542. 1915.
无柄新乌檀 wu bing xin wu tan
Nauclea sessilifolia Roxburgh, Fl. Ind. 2: 124. 1824; Adina sessilifolia (Roxburgh) J. D. Hooker ex Brandis; N. sericea Wallich ex G. Don.
Trees, leaf persistence unknown, 7-30 m tall; bark dark gray, transversely fissured and cracked, with inner bark brown, sometimes mottled; branches flattened to angled, glabrous. Leaves sessile or subsessile; petiole to 5 mm, stout, glabrous; blade drying papery to thinly leathery, elliptic to elliptic-oblong or suborbicular, 5-30 × 3-15 cm, both surfaces glabrous, base rounded to truncate or cordulate, apex obtuse; secondary veins 6-9 pairs, with small, glabrous to pilosulous, foveolate domatia in abaxial axils of lateral, tertiary, and often quaternary veins; stipules broadly elliptic to obovate, 10-30 × 5-10 mm, glabrous, keeled in lower portion, apex obtuse to broadly rounded. Inflorescences glabrescent; peduncles 1(or 3), 1-3(-8) cm; flowering heads solitary, 20-25 mm in diam. across calyces, 35-45 mm in diam. across corollas; involucral bracts not seen; bracteoles linear, 1-2(-3) mm. Calyx with ovary portion obconic, 1-1.5 mm, glabrous or apically tomentulose; limb partially lobed, with basal tubular portion 0.5-0.8 mm; lobes densely pilosulous, with shaft clavate, 5-7 mm, with apical portion pyramidal, deciduous before corollas open. Corolla color unknown; tube 5-6 mm, inside glabrescent; lobes deltoid to elliptic, 2-3 mm, outside densely strigillose to sericeous, acute. Stigma subglobose, ca. 0.8 mm, exserted for 5-6 mm. Fruiting heads (15-) 25-35 mm in diam. Capsules obconic, 8-10 mm, glabrous except densely pilosulous at apex; seeds ca. 2 mm. Fl. Oct.
Thickets or broad-leaved forests on hills; 500-800 m. Taiwan, Yunnan [Cambodia, India, Laos, Myanmar, Thailand, Vietnam].
This is the first report of this species in Taiwan.This is the first report of this species in Taiwan.
科名：茜草科 Rubiaceae
属名：新乌檀属 Neonauclea
1. 无柄新乌檀（中国高等植物图鉴）图版68
Neonauclea sessilifolia (Roxb.) Merr. in Journ. Wash. Acad. Sci. 5: 542. 1915; How in Sunyatsenia 6: 250. 1946; 中国高等植物图鉴4: 187, 图5788. 1975; Ridsd in Blumea 24 (2): 338. 1978; 徐祥浩等, 华南农学院学报2 (4): 31. 1981. ——Nauclea sessilifolia Roxb. Fl. Ind. ed. Carey 2: 124. 1824; Havil. in Journ. Linn. Soc. Bot. 33: 51. 1879. ——Adina sessilifolia (Roxb.) Hook. f. ex Brandis, For. Fl. N. W. ＆ C. India 264. 1874, in nota; Hook. f. Fl. Brit. Ind. 3: 24. 1880; Pitard in Lecomte, Fl. Gen. Indo-Chine 3: 36, 1922. ——Nauclea sericea Wall. ex G. Don, Gen. Hist. 3: 467. 1834.
乔木，高7-30米；树皮浅黑色，龟裂，内皮褐色；顶芽椭圆形至倒卵形，极压扁。叶厚纸质或薄革质，椭圆形至椭圆状长圆形，或正圆形，长12-20厘米，宽5-10厘米，顶端钝，基部圆，有时下延或略为耳状，两面均无毛；侧脉6-9对，脉腋有窝孔，窝孔无毛或有稀疏的毛；无叶柄，有时具粗短的叶柄，无毛；托叶宽椭圆形至倒卵形，无毛。花序梗1-3，长达8厘米；头状花序不计花冠直径20-25毫米；小苞片长1-2毫米；花萼管无毛或外面具稀疏的毛，萼裂片密被白色毛，长5-7毫米；花冠高脚碟状至窄漏斗形，花冠管的外面基部略具短柔毛，花冠裂片三角状或椭圆形，外面密被苍白色毛；花柱伸出。果序直径25-35毫米；小蒴果略被短柔毛，顶部有宿存花萼。花期10月。
产于云南和台湾；生于海拔500-800米处的山地杂木林内或灌丛中。国外分布于缅甸、泰国、柬埔寨、老挝、越南、印度和印度尼西亚。
《Flora of China》 Vol. 19 (2011)
Neonauclea sessilifolia (Roxburgh) Merrill J. Wash. Acad. Sci. 5: 542. 1915.
无柄新乌檀 wu bing xin wu tan
Nauclea sessilifolia Roxburgh, Fl. Ind. 2: 124. 1824; Adina sessilifolia (Roxburgh) J. D. Hooker ex Brandis; N. sericea Wallich ex G. Don.
Trees, leaf persistence unknown, 7-30 m tall; bark dark gray, transversely fissured and cracked, with inner bark brown, sometimes mottled; branches flattened to angled, glabrous. Leaves sessile or subsessile; petiole to 5 mm, stout, glabrous; blade drying papery to thinly leathery, elliptic to elliptic-oblong or suborbicular, 5-30 × 3-15 cm, both surfaces glabrous, base rounded to truncate or cordulate, apex obtuse; secondary veins 6-9 pairs, with small, glabrous to pilosulous, foveolate domatia in abaxial axils of lateral, tertiary, and often quaternary veins; stipules broadly elliptic to obovate, 10-30 × 5-10 mm, glabrous, keeled in lower portion, apex obtuse to broadly rounded. Inflorescences glabrescent; peduncles 1(or 3), 1-3(-8) cm; flowering heads solitary, 20-25 mm in diam. across calyces, 35-45 mm in diam. across corollas; involucral bracts not seen; bracteoles linear, 1-2(-3) mm. Calyx with ovary portion obconic, 1-1.5 mm, glabrous or apically tomentulose; limb partially lobed, with basal tubular portion 0.5-0.8 mm; lobes densely pilosulous, with shaft clavate, 5-7 mm, with apical portion pyramidal, deciduous before corollas open. Corolla color unknown; tube 5-6 mm, inside glabrescent; lobes deltoid to elliptic, 2-3 mm, outside densely strigillose to sericeous, acute. Stigma subglobose, ca. 0.8 mm, exserted for 5-6 mm. Fruiting heads (15-) 25-35 mm in diam. Capsules obconic, 8-10 mm, glabrous except densely pilosulous at apex; seeds ca. 2 mm. Fl. Oct.
Thickets or broad-leaved forests on hills; 500-800 m. Taiwan, Yunnan [Cambodia, India, Laos, Myanmar, Thailand, Vietnam].
This is the first report of this species in Taiwan.This is the first report of this species in Taiwan.