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小花粗叶木Lasianthus micranthus Hook.

小花粗叶木Lasianthus micranthus Hook.

科名:茜草科 Rubiaceae

属名:粗叶木属 Lasianthus

《中国植物志》第71(2)卷076页
  5.小花粗叶木(西藏植物志)
  Lasianthus micranthus Hook.f.Fl.Brit.Ind.3: 190.1880; Dunn et Tutch.In Kew Bull.Misc.Inf. add.ser.10: 134.1912; Hutchins.in Sargent, Pl.Wils. 3: 402.1916; Levl.Cat.Pl.Yunnan 246, 1917; Chung in Mem. Sci.Soc.China 1: 239. 1924; 西藏植物志4: 451. 1985; Lo in Bot. Journ. South China 2: 10. 1993; H. Zhu in Acta Phytotax. Sinica 32 (1): 74. 1994.——L. microstachys Hayata, Ic. Pl. Formos. 9: 63. 1920; Liu et Chao in Taiwania 10: 139, fig. 12. 1964; 台湾植物志4: 298, 图1013. 1978. ——L. balansae (Drake) Pitard in Iecomte, Fl. Gen. Indo-Chine 3: 396. 1924. ——Mephitidia balansae Drake in Morot, Journ. Bot. 9: 238. 1895. ——L. octonervius Hand. -Mazz. in Sinensia 5: 14. 1934. ——L. seikomontanus Yamamoto in Journ. Soc. Trop. Agr. 7: 148. 1935.——Litosanthes micranthus (Hook. f.) Deb et Gang. in Candollea 44: 220. 1989.
  灌木,高通常1-2米,很少达3.5米;枝纤细,除嫩部被短柔毛外无毛。叶纸质,披针形或圆状披针形,很少近卵形,长7-12厘米或稍过之,宽约2-3.5厘米或稍过之,顶端骤然渐尖,基部钝或近圆,偶有阔楔尖,上面无毛,下面中脉和侧脉上被糙伏毛;中脉在上面微压入或近平坦,在下面凸起,侧脉每边通常5-6条,偶有7-8条,在下面凸起,小脉纤细,横行,近平行;叶柄长通常不超过1厘米,被糙伏毛;托叶小,被糙伏毛。花近无梗,数朵或有时多朵簇生于腋生总梗上,总梗通常比叶柄稍长或与之近等长,被糙伏毛,无苞片或有极小的苞片;萼小,被硬毛,管倒圆锥形,长约1.5-2毫米,檐部5裂,裂片伸展,钻状三角形,长约0.8毫米,渐尖;花冠白色,外面上部被稀疏硬毛,管长3-6毫米,里面上部被长柔毛,檐部扩大,5裂,裂片近卵形,长2-2.5毫米,里面被皱曲长柔毛;雄蕊5,生冠管喉部,微伸出;花柱与冠管近等长。核果近球形,长约6毫米,宽约5-5.5毫米,近无毛,通常有5分核。花期8-10月,果期翌年4-5月。
  产福建(南靖)、台湾、广东(中部、南部和北部)、海南、广西、四川(长宁)、云南(南部和东南部)、西藏(墨脱)。常生于海拔150-1800米的林缘或疏林中,少生于密林中。分布于印度东北部和越南北部。
  四川分布新记录。

《Flora of China》 Vol. 19 (2011)
Lasianthus micranthus  J. D. Hooker Fl. Brit. India. 3: 190. 1880.
小花粗叶木   xiao hua cu ye mu
Lasianthus balansae (Drake) Pitard; L. microstachys Hayata; Mephitidia balansae Drake.
Shrubs, 1-2 m tall; branches and branchlets slender, sparsely puberulent to glabrous, smooth. Petiole 4-9 mm, hirsute or strigillose; leaf blade papery or subleathery, ovate, ovate-oblong, or oblong-lanceolate, 5-10 × 2.5-3.5 cm, glabrous adaxially, sparsely to densely hirsute or strigillose to strigose on midrib and nerves abaxially, base obtuse or rounded to subacute, apex acute or acuminate; lateral veins 5 or 6 pairs; nervules parallel or subparallel; stipules triangular or lanceolate, 1-1.5 mm, densely strigillose. Inflorescences congested-cymose to capitate, pedunculate, densely strigillose; peduncles 1.5-5 mm, slender; bract reduced or linear and up to 2 mm; bracteoles minute. Flowers sessile. Calyx densely strigillose or villous to glabrescent; hypanthium portion campanulate, ca. 1 mm; limb 1-1.5 mm; teeth 5, subulate or triangular. Corolla 5-6.5 mm, glabrous to puberulent outside, villous inside; tube 3-6 mm; lobes 5, spatulate, 2-2.5 mm. Fruit globose to depressed globose, ca. 5 mm in diam., glabrous, smooth or with ca. 5 low ridges; pyrenes 5. Fl. Aug-Nov, fr. Sep-Oct.
Forests, shaded and wet places; 100-1800 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Xizang, Yunnan, Zhejiang [NE India, Thailand, N Vietnam].
The glabrous stems with strigillose rings at the nodes and the narrowly triangular, rather well-developed calyx lobes are distinctive.The glabrous stems with strigillose rings at the nodes and the narrowly triangular, rather well-developed calyx lobes are distinctive.

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