Annual or biennial. Stems erect or prostrate, simple or branched from the base; young parts densely pilose, adult parts less densely so to glabrous. Leaf lamina ovate, oblong or elliptic, 2–4 × 1–1·6 cm., base acute, attenuate into the petiole, apex acute or obtuse to rounded, mucronulate, margin subentire, undulate or coarsely dentate, shallowly to deeply lobed, sometimes irregularly pinnatifid with few segments, or lyrate with a large, ovate or elliptic entire to coarsely dentate terminal segment and small triangular to hastate basal ones, pubescent; petiole up to 2 cm. long, sparsely pilose. Flowers axillary, solitary; peduncle and pedicel very short or absent; bracts linear, up to 7 mm. long, hairy. Sepals unequal, the outer three more or less 11 mm. long, pilose, with the ovate-circular basal part subhyaline and coriaceous, with prominent foliaceous midrib and margins and a narrow attenuate acute apical part, the inner sepals narrower. Corolla narrowly funnel-shaped, white or pink often with a darker centre, 1·4–1·6 cm. long. Ovary glabrous. Capsule globose, glabrous, straw-coloured. Seeds densely appressed pubescent.
