Annual with much-branched erect or ascending stems up to 12 cm. long. Basal lvs ∞, close-set, coriac.; lamina ± 8-20 × 3-7 mm., oblong-spathulate to linear-oblong, ± fleshy, often recurved, gradually narrowed into a broad flat petiole. Cauline lvs similar, smaller. Fls solitary in axils of upper lvs, often 8, c. 8-12 mm. (us. distinctly smaller than in G. cerina), sessile or shortly pedicelled. Calyx c. ? corolla-length, cut 3/4 way into linear-oblong, obtuse lobes. Corolla white streaked with red or purple or altogether red; rotate to subcampanulate, lobes narrow- to obovate-oblong, obtuse, 2-3 mm. wide.