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Fls mostly 5-merous; cal deeply lobed, persistent; cor ovoid and constricted at the throat to campanulate, shallowly to deeply lobed; stamens twice as many as the cor-lobes; anthers narrowly oblong, shortly 2-lobed above, each lobe with a terminal pore; ovary mostly 5-locular; style stout, about equaling the stamens; stigma capitate; capsule septicidal; low or depressed shrubs with small evergreen lvs and one to few fls on erect pedicels from the axils of the upper lvs, forming a small umbelliform cluster. 7, N. Temp. and Arctic.
Shrubs evergreen, small. Leaves alternate or decussate; leaf blade linear, margin serrulate. Inflorescence terminal, umbellate, 2–15-flowered, bracteate. Calyx small, 5-parted, persistent. Corolla urceolate, 5-toothed. Stamens (8–)10(–12), included; anthers dehiscing by pores. Style slender. Capsule globose, 5-locular, loculicidal. Seeds ovoid, lustrous.
