中文名（Chinese Name）：半边莲
学名（Scientific Name）：Lobelia chinensis Lour.
英文名（English Common Name）：Chinese lobelia
别名（Chinese Common Name）：急解索、细米草、六倍利
异名（Synonym）：Dortmannia campanuloides (Thunb.) Kuntze；Dortmannia chinensis Kuntze；Dortmannia radicans (Thunb.) Kuntze；Lobelia caespitosa Blume；Lobelia campanuloides Thunb.；Lobelia radicans Thunb.；Rapuntium campanuloides C. Presl；Pratia radicans (Thunb.) G. Don；Pratia thunbergii G. Don；Rapuntium caespitosum C. Presl；Rapuntium chinensis C. Presl；Rapuntium radicans C. Presl；Lobelia japonica F.Dietr.；Rapuntium chinense (Lour.) C.Presl；Lobelia roxburgiana (A.DC.) Heynh.；Lobelia kerii (A.DC.) Heynh.；Isolobus caespitosus (Blume) Hassk.；Isolobus campanuloides (Thunb.) A.DC.；Isolobus kerii A.DC.；Isolobus radicans (Thunb.) A.DC.；solobus roxburghianus A.DC.；Lobelia chinensis var. tetrapetala Y.N.Lee；Lobelia radicans f. plena Makino；Lobelia chinensis f. plena (Makino) H.Hara；Lobelia radicans f. lactiflora Hisauti；Lobelia chinensis f. lactiflora (Hisauti) H.Hara；Lobelia radicans var. albiflora E.Wimm.；Lobelia chinensis var. albiflora (E.Wimm.) E.Wimm.
科属（Family & Genus）：桔梗科（Campanulaceae）半边莲属
形态特征（Description）：多年生草本，有白色乳汁。茎平卧，长12-55厘米，被开展的柔毛，不分枝或在基部有长或短的分枝，节上生根。叶互生，叶片圆卵形、心形或卵形，长0.8-1.6厘米，宽0.6-1.8厘米，先端钝圆或急尖，基部斜心形，边缘有牙齿，两面疏生短柔毛，叶脉掌状至掌状羽脉；叶柄长2-7毫米，生开展短柔毛。花单生叶腋；花梗长0.7-3.5厘米，无毛；花萼筒坛状，长3-4毫米，宽2-3毫米，无毛，裂片条状披针形，伸直，长3-4毫米，每边生2或3枚小齿；花冠紫红色、淡紫色、绿色或黄白色，长6-7 (10) 毫米，花冠筒外面无毛，内面生柔毛，檐部二唇形，裂片5，上唇2裂片条状披针形，下唇裂片披针形；雄蕊在花丝中部以上连合，花丝筒无毛，花药管长1毫米余，背部生柔毛，下方2枚花药顶端生髯毛。果为浆果，紫红色，椭圆状球形，长1-1.3厘米。种子多数，近圆球状，稍压扁，表面有小疣突。在热带地区整年可开花结果。
分布（Distribution）：产长江中、下游及以南各省区，生于水岸边、沟边及潮湿的草地上。
用途（Use）：全草供药用，治风湿、跌打损伤等。
引自中国植物志英文版FOC Vol. 19 Page 554, 555, 556
Lobelia chinensis Loureiro, Fl. Cochinch. 2: 514. 1790.
半边莲 ban bian lian| Campanulaceae  | Lobelia
Lobelia caespitosa Blume; L. campanuloides Thunberg; L. chinensis var. albiflora (F. E. Wimmer) F. E. Wimmer; L. radicans Thunberg; L. radicans var. albiflora F. E. Wimmer; Pratia thunbergii G. Don.
Herbs, perennial. Stems decumbent, slender, 6-30 cm tall, glabrous, lower nodes rooted. Leaves alternate, sessile or petiole to 1 mm; blade narrowly elliptic, elliptic, or lanceolate, 7-26 × 1.5-7 mm, glabrous, base rounded, obtuse, or broadly cuneate, margin entire or obviously serrate at upper part, apex acute or acuminate. Flowers usually solitary, axillary at upper leaves of branches; pedicels slender, 1.2-2.5(-3.5) cm; bracteoles 2 at base, ca. 1 mm, glabrous, or absent. Hypanthium narrowly obconical, base attenuate, not well distinguished from pedicel, 3-5 mm, glabrous; calyx lobes lanceolate, ± as long as tube, margin entire or with a pair of denticles. Corolla rose, white, or bluish, 10-15 mm, divided to base at back, white villous below throat; lobes all spreading in a plane on anterior side; lateral 2 lobes lanceolate or oblanceolate, longer than others, central 3 elliptic. Filament tube 6-8 mm, connate above middle, glabrous; anther tube 2-2.5 mm, back glabrous or sparsely villous. Capsule obconic, 6-7 mm. Seeds broadly elliptic, compressed, pitted. Fl. and fr. May-Oct.
By paddy fields, streams, among wet grasses. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bangladesh, Cambodia, India, Japan (including Ryukyu Islands), Korea, Laos, Malaysia, Nepal, Sri Lanka, Thailand, Vietnam].
（责任编辑：徐晔春）