Erect, annual herb to 25 cm tall, viscid, with soft, glandular and simple hairs; roots adventitious. Leaves mostly basal, ±petiolate, ascending, obovate or oblanceolate, entire or obscurely dentate, sometimes with 2 narrow, basal lobes; lamina 4-11 cm long, 10-20 mm wide. Flowers in loose thyrses or panicles to 20 cm long; bracts linear, to 10 mm long; peduncle to 15 mm long; bracteoles linear, to 5 mm long; pedicel 9-11 mm long. Sepals lanceolate, 1 mm long. Corolla 5-7 mm long, without enations, indistinctly auriculate; abaxial lobes 2 mm long; wings c. 1 mm wide. Indusium square to oblong, c. 1 mm long. Ovules many, scattered. Fruit subglobular, c. 1.5 mm diam.; valves bifid to midmark. Seeds yellowish brown.
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