Perennial herbs, procumbent. Leaves simple, opposite, shortly petiolate, ovate to lanceolate, coarsely serrate with basal teeth often enlarged and lobe-like, 3-nerved; base cuneate to rounded. Capitula terminal, usually solitary, short or long pedunculate, radiate; involucral bracts in 2 series; bracts lanceolate, herbaceous, keeled, acute, appressed-hairy; receptacle paleate; paleae lanceolate (inner ones linear), stiff, keeled, acute, dorsally scabrous. Ray florets female, fertile; ligule 3-lobed, yellow. Disc florets functionally male; corolla 5-lobed, yellow; anther sacs brown-black. Achenes only developed from ray florets, slightly compressed, 3-angled, ovoid, not winged, rounded apically, sparsely and minutely pilose apically. Pappus absent or of c. 3 small scales fused basally into a shallow 3-toothed cup.
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