Lyonia Nutt., Gen. Am. 1: 266. 1818; Bor, Man. Ind. Forest Bot. 198. 1953.
Deciduous or evergreen trees or shrubs. Leaves alternate, petiolate, entire or serrulate. Flowers bracteate, white, in axillary fascicles, panicles, racemes or sometimes solitary. Calyx 4-5-lobed, valvate, persistent. Corolla 4-5-lobed, globular or urceolate, pubescent. Stamens 8-10; anthers without or with 2 weak appendages. Ovary 4-5-locular; stigma truncate. Capsule 4-5-locular, sutures with corky or spongy thickenings. Seeds numerous, testa loose.
A genus of about 30 species, distributed largely in Mexico, N.E. America, West Indies and the Himalayas. There is only one- species on record from West Pakistan.