中文名（Chinese Name）：南美蟛蜞菊
学名（Scientific Name）： Sphagneticola trilobata (L.) Pruski
英文名（English Common Name）：Bay Biscayne creeping-oxeye
别名（Chinese Common Name）：三裂蟛蜞菊
异名（Synonym）：Wedelia trilobata (Linn.) Hitchc.  Acmella brasiliensis Spreng.  Wedelia brasiliensis (Spreng.) S.F.Blake  Seruneum trilobatum (L.) Kuntze  Wedelia crenata Rich.  Buphthalmum strigosum Spreng.  Thelechitonia trilobata (L.) H.Rob. & Cuatrec.  Stemmodontia carnosa (Rich.) O.F.Cook & G.N.Collins  Acmella spilanthoides Cass.  Sphagneticola ulei O.Hoffm.  Complaya trilobata (L.) Strother  Silphium trilobatum L.  Stemmodontia trilobata (L.) Small  Verbesina carnosa (Rich.) M.Gómez
科属（Family & Genus）：菊科（Compositae）蟛蜞菊属
形态特征（Description）：茎横卧地面，茎长可达2米以上。叶对生，具齿，不分裂，叶片绿色，光亮。头状花序，多单生，外围雌花1层，舌状，顶端2～3齿裂，黄色，中央两性花，黄色，结实。花期几乎全年。
分布（Distribution）：原产热带美洲，在我国部分地区已逸生。
用途（Use）：
引自中国植物志英文版FOC Vol. 20-21 Page 870
Sphagneticola trilobata (Linnaeus) Pruski, Mem. New York Bot. Gard. 78: 114. 17 De. 1996.
南美蟛蜞菊 nan mei peng qi ju| Asteraceae  | Sphagneticola
Silphium trilobatum Linnaeus, Syst. Nat., ed. 10, 2: 1233. 1759; Thelechitonia trilobata (Linnaeus) H. Robinson & Cuatrecasas; Wedelia trilobata (Linnaeus) Hitchcock.
Herbs, perennial, procumbent. Stems stout, glabrous or pubescent, seldom scabrid. Leaves opposite, somewhat succulent; petiole distinct but less than 5 mm; blade elliptic or lanceolate, to 18 cm, often with triangular lobes and conspicuous marginal teeth, glabrous or sparsely pubescent, sometimes scabrid, base cuneate, apex acute. Capitula solitary on elongate peduncle, radiate; involucre green; phyllaries lanceolate, 10-15 mm, ciliate, obscurely veined, innermost narrower. Ray florets 4-8, showy, yellow, 15-20 mm, 3- or 4-denticulate, fertile. Disk florets numerous, yellow, ca. 2 cm; corolla 5-6 mm. Achenes blackish, sometimes mottled, clavate, angled, ca. 5 mm; pappus of fused scales, coroniform.
Cultivated as an ornamental ground cover and escaped in many countries, occasionally naturalized on slopes and along roadsides at lower elevations. Guangdong, Taiwan [native to the New World tropics but widespread in the Old World tropics].
（责任编辑：徐晔春）