1.
Eclipta prostrata
(Linnaeus) Linnaeus, Mant. Pl. 286. 1771.
Verbesina prostrata
Linnaeus, Sp. Pl. 2: 902. 1753;
Eclipta alba
(Linnaeus) Hasskarl
Leaf blades
2—10 cm × 4—30+ mm.
Ray laminae
ca. 2 mm.
Disc corollas
ca. 1.5 mm.
Cypselae
ca. 2.5 mm.
2
n
= 22 (as
E. alba
).
Flowering year round, mostly summer—fall. Wet places, often ruderal; 60—1600 m; Ont.; Ala., Ariz., Ark., Calif., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Pa., S.C., S.Dak., Tenn., Tex., Va., W.Va., Wis.; Mexico; West Indies; Central America; South America; introduced in Europe, Asia, Africa, Pacific Islands, Australia.
