Wilsonia
Perennial subshrubs with prostrate or weakly ascending stems, hairs 2-branched. Leaves simple, entire, fleshy, sessile or shortly petiolate. Flowers solitary in leaf-axils; bracteoles absent; calyx tubular, teeth 5 (rarely 6), shorter than the tube, bearded inside; corolla saucer-shaped, 5-lobed, lobes oblong, recurved, imbricate in bud, margins induplicate, lacking mid-petaline bands, glabrous; stamens 5, filaments more or less unequal, glabrous; ovary partly or completely 2-celled, glabrous, ovules 1 (rarely 2) per cell, style 1, terminal, bifid, stigmas capitate or ovoid. Capsule obovoid, shorter than the calyx, indehiscent; seeds 1 or 2.
3 species endemic to southern Australia.
Jeanes, J.A. (1999). Convolvulaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 365–375. Inkata Press, Melbourne.