Annual, glandular-puberulous herbs. Leaves alternate, simple, basal and lower stem leaves shortly petiolate, entire to dentate or shallowly lobed, glandular-pubescent. Capitula solitary, small, radiate; involucre ±uniseriate. Ray florets female, fertile; ligules short, yellow. Disc florets functionally male, yellow; styles shortly bilobed. Achenes polymorphic, variable in shape and size, straight or slightly curved, not annular, irregularly winged or wingless or to 6-angled, some rostrate, smooth or rugose to aculeate.
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