Fls solitary, each subtended by a pair of connate bracts, sessile or sub-sessile in lf-axils near tips of branches. Calyx 5-(6)-lobed. Corolla small, salverform, shortly lobed, or larger, broadly funnelform and deeply lobed; lobes 5-(6). Stamens 2, inserted near throat of corolla, filaments, short, anthers large. Capsule with septum across narrowest diam., deeply 2-lobed, laterally compressed and broadest at tip, turgid below, flattened on anterior and posterior faces, splitting loculicidally and septicidally into 4 valves, included in calyx. Seeds us. many, not strongly flattened. Small densely pulvinate perennial herbs or prostrate rooting shrubs; lvs opp., sessile, shortly connate at base, closely quadrifariously or irregularly imbricate, entire, ± ciliate or hairy. Genus of a few spp. endemic to N.Z. Type sp. (selected by W. R. B. Oliver in Rec. Dom. Mus., Wellington 1, 1944, 231):