Fls 5-merous; cal deeply 5-parted, persistent; cor campanulate, lobed to the middle or beyond; style ovoid to conic, constricted at base; stigma minute, truncate; filaments short and flat; anthers approximate to the pistil at the basal constriction of the style; anthers subglobose, opening by 2 terminal pores, bearing 2 very slender, spreading or deflexed, dorsal spurs; capsule subglobose, loculicidal; dwarf, matted shrubs of moss-like aspect, with numerous crowded, linear, flat, evergreen lvs erect and loosely imbricate in several rows, the fls solitary, nodding, terminal, white or pink. 2, circumboreal.