Pluchea

Subshrubs or shrubs, rarely perennial herbs, hairy or sometimes glutinous. Leaves alternate, dentate to serrate or entire, sessile or subsessile, not decurrent. Capitula disciform, mostly in leafless, terminal, corymbose cymes, rarely few or solitary; flowers white, yellow or purplish. Involucre ovoid, broadly campanulate or subhemispherical; bracts in few to many rows. Receptacle concave or convex, sometimes honeycombed, epaleate. Marginalflorets female, filiform, 3-lobed, in 1 to few rows. Style entire or almost undivided or sometimes divided; style branches with obtuse sweeping hairs reaching below the furcation. Discflorets functionally male; corolla tubular, widening upwards, glabrous, with 5 lobes, glandular on margins. Anthers calcarate and caudate; endothecial tissue radial. Cypselas cylindric, hairy, without resin ducts. Pappus of free, barbellate, capillary bristles in 1 row, each bristle with patent teeth. x = 10 (polyploidy).