Annuals, (2–)10–30(–40+) cm (tap-rooted). Stems strigillose. Leaves opposite (proximal) or alternate (distal); blades ovate to rhombic-ovate, 15–38 × 6–20+ mm, margins ciliate to 1/4 their lengths, hairs mostly less than 0.5 mm, faces hispid or strigose (abaxial not gland-dotted). Heads 3–15+. Peduncles 7–28 cm, lengths 2–5 times leafy portions of stems. Involucres 7–10 mm diam. Phyllaries lanceolate, 5–6 mm. Paleae oblong, ca. 5 mm, cuspidate. Ray florets 10–12; laminae ovate, 10–15 mm (glabrous). Disc florets 25+; corollas 4 mm. Cypselae black or gray-striate, 2.8–3.3 mm.
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