Erect, sparsely branched subshrub, 1-2 m tall, lightly short-pilose. Leaves opposite, ovate, acuminate above, cuneate at the base, serrate; blades 6-10 cm long, 2.5-5.0 cm wide, 2-3 times longer than wide, narrowly decurrent at the base, the midvein densely pilose beneath; petiole 1.5-4.0 cm long. Inflorescence a series of loose, open paniculate cymes. Heads narrowly campanulate, 7-8 mm tall, 7-8 mm wide; involucral bracts imbricate in ca. 4 series, oblong to broadly oblong, round-obtuse apically, the margins puberulous; receptacle paleaceous; paleas subscarious, laciniate; ray florets 40-60 in 2-3-series, the tube slender and densely pubescent, expanding into a prominent, white, lobed ligule 2-5 mm long and 0.5 mm wide; disc florets 30-40, white, the corolla 4-5 mm long, hispidulous. Achene glabrous, ca. 1 mm long, distinctly ribbed; pappus of prominent, early deciduous, capillary bristles.
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