Subshrublike herbs erect, many branched, to 40 cm tall. Stem and branchlets stellate pilose or subglabrous. Stipules filiform, ca. 6 mm, stellate pilose; petiole 6-20 mm, sparsely stellate pilose; leaf blade ovate, 1.4-4 × 0.6-2.2 cm, abaxially stellate pilose, adaxially subglabrous or sparsely stellate pilose, base cordate. Flower solitary or nearly fascicled, axillary. Pedicel 4-7 mm, sparsely stellate pilose, articulate near apex. Calyx campanulate, ca. 4 mm, stellate pilose. Corolla yellow, ca. 8 mm in diam.; petals obovate-lanceolate. Filament tube sparsely strigose. Mericarps 5, with vertical grooves, densely stellate pilose, apically 2-awned.
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