球尾花Lysimachia thyrsiflora Linn.

别名：好宁－好日本;好宁-好日木;球尾珍珠菜;腋花珍珠菜;

科名：报春花科 Primulaceae

属名：珍珠菜属 Lysimachia

《中国植物志》第59(1)卷133页
  134. 球尾花（东北植物检索表）腋花珍珠菜（拉汉种子植物名称）
  Lysimachia thyrsiflora L. Sp. Pl. 147. 1753; R. Knuth in Engl. Pflanzenr. 22 (IV-237): 302. 1905; Hand. -Mazz. in Not. Roy. Bot. Gard. Edinb. 16: 121. 1928; Chen et C. M. Hu in Act. Phytotax. Sin. 17: 45. 1979; 东北草本植物志7: 40. 1981. ——Naumburgia thrsiflora Reich. Fl. Germ. Excurs 410. 1830; 东北植物检索表275. 1959.
  多年生草本，具横走的根茎。茎直立，高30-80厘米，下部无毛，上部被褐色柔毛，散生黑色腺点，通常不分枝。叶对生，近茎基部的数对鳞片状，上部叶披针形至长圆状披针形，长5-16厘米，宽6-20毫米，先端锐尖或渐尖，基部耳状半抱茎或钝，无柄，极少具短柄，上面深绿色，无毛，下面淡绿色，沿中肋被稀疏柔毛，两面均有黑色粒状腺点，中肋在下面隆起，侧脉不明显。总状花序生于茎中部和上部叶腋，长1-3厘米，密花，成圆球状或短穗状；总梗长1.5-3厘米，与花序轴、花梗同被柔毛；苞片线状钻形，长3-5毫米，有黑色腺点；花梗长1-3毫米；花萼长2-3.5毫米，分裂近达基部，裂片通常6-7枚，线状披针形，宽约0.7毫米，有黑色腺点；花冠酪黄色，长5-6毫米，通常6深裂，裂片近分离，线形，宽0.5-1毫米，先端钝，有黑色腺点和短腺条；雄蕊伸出花冠外，花丝基部连合成极浅的环，贴生于花冠基部，分离部分长4-5毫米；花药长圆形，长约1毫米；花粉粒具3孔沟，近长球形[(20-23) × (16.5-18)微米］，表面具网状纹饰；子房被柔毛，有黑色腺点，花柱长4.5-6毫米。蒴果近球形，直径约2.5毫米。花期5-6月；果期7-8月。
  产于黑龙江、吉林、内蒙古（东部）、山西、云南等地。生于水甸子和湿草地上，常成小片生长。北半球温带广布种，苏联、朝鲜、日本、北美和欧洲均有分布。

《Flora of China》 Vol. 15 (1996)
Lysimachia thyrsiflora  Linnaeus
球尾花   qiu wei hua
Naumburgia thyrsiflora (Linnaeus) Reichenbach.
Herbs perennial, 30--80 cm tall, with horizontal rhizomes. Stems erect, usually simple, black glandular punctate, glabrous on lower part, puberulent on upper part. Lowest leaves scalelike, reduced. Leaves opposite, sessile, rarely indistinctly petiolate; leaf blade lanceolate to elliptic-lanceolate, 5--15 X 0.6--2 cm, lower part tapering toward obtuse or semi-clasping base, abaxially glabrous except for sparingly villous midvein, sparsely black glandular punctate, adaxially glabrous, apex acute to acuminate. Racemes dense, capitate or spikelike, pedunculate, 1--3 cm, confined in axils of medial and upper leaves; peduncle 1.5--3 cm, glabrous or sparingly villous. Pedicel 1--3 mm, glabrous or sparingly villous. Calyx 2--3.5 mm, parted nearly to base; lobes usually 6 or 7, linear-lanceolate, black glandular punctate. Corolla cream-yellow, parted nearly to base; lobes usually same number as calyx lobes, linear, 5--6 X 0.5--1 mm, black glandular punctate and striate. Stamens ca. as long as to longer than corolla; filaments 4--5 mm, nearly free, adnate to base of corolla; anthers oblong, dorsifixed, ca. 1 mm. Ovary sparingly puberulent; style 4.5--6 mm. Capsule subglobose, ca. 2.5 mm in diam. Fl. May-Jun. 2n = 20, 40, 42.
Bog margins, marshes, moist meadows. Heilongjiang, Jilin, Nei Mongol, Shaanxi, Yunnan [Circumboreal].