Prostrate or decumbent pilose annual or perennial herbs, the much branching stems to 50 cm. long, often rooting at the nodes and forming mats. Leaves sericeous to strigose, occasionally glabrate, oblong to ovate or obovate, apically acute to rounded and mucronate, basally acute to attenuate, 1-5 cm. long, 0.5-2.5 cm. broad; petioles 1-5 mm. long. Inflorescences of terminal and axillary ovoid to cylindric whitish or purplish heads, occasionally clustered, 4-20 mm. long, 5-14 mm. broad, subtended by ovate leaves 0.5-2 cm. long. Flowers perfect; bracts persistent, ovate, acuminate, 1.5-3 mm. long; bracteoles narrowly to broadly cristate, equaling or exceeding the sepals, 4-6 mm. long; sepals 5, subequal, basally connate, cinereous- to rufous-lanate, ultimately indurate and closely embracing the fruit; stamens 5, subequal, the anthers sessile between the 5 2-lobate pseudo- staminodia; stamen tube 3-6 mm. long; ovary globose; style 1, 1-1.5 mm. long; stigmata 2, 1-1.5 mm. long. Fruit an indehiscent areolate utricle 1-2 mm. long; seeds cochleate-orbiculate, yellowish to reddish brown, ocellate, 1.5-1.7 mm. broad.