Annual herb. Stems ascending to erect, much-branched, 8-35 cm long, sparsely to moderately hairy, especially below, the hairs usually in lines. Lvs basal and cauline or just cauline; lower lvs almost glabrous or sparsely hairy, especially on margins near base, apetiolate and cuneate, spathulate to narrowly elliptic-obovate, obtuse, usually entire, rarely shallowly dentate, 20-60 × 5-12 mm; upper lvs becoming smaller, narrower, obovate-oblong, or elliptic- to linear-oblong, broader based. Bracts subulate to narrowly ovate-triangular, ciliate, 2-6 mm long. Corolla c. 1.5 mm long, c. 1.5 mm diam., pale blue. Fr. oblong-globose, rounded on 1 side and 2-angled on the other, microscopically hairy, c. 1.8-2.3 × 1.5-2.2 mm; fertile loculus greatly thickened and hemispheric on back, with 1 narrow groove; 2 sterile loculi not thickened, forming 2 prominent ribs separated by an oblong groove; calyx not developed.