Shrubs, subshrubs, or herbs, scandent. Stems terete, slender, glabrous; branches divaricate, flexuous. Leaves opposite; petiole 4-6 mm; blade 4-8 × 2-3 cm, thin, 3-veined, base obtuse or rounded, margin dentate, apex acuminate. Synflorescence a lax corymb. Capitula 5-flowered, ca. 1 cm; peduncle 1-1.5 cm, pubescent; involucre narrowly campanulate; phyllaries narrowly lanceolate, 1-or 2-seriate, outer phyllaries ca. 1.5 mm, inner phyllaries ca. 5 mm, margin scarious; corollas white, ca. 4 mm. Achenes black, cylindric, ca. 2.5 mm, 5-ribbed, glabrous; pappus 1-seriate, 3-4 mm, barbellate. 2n = 20*.
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