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DescriptionShrubs or herbs. Leaves opposite. Inflorescence a large terminal spike with large sometimes coloured bracts. Calyx lobes equal or upper one narrower. Corolla large, showy, white or red, strongly 2-lipped; lobes very unequal. Fertile stamens 2, attached at base of the corolla tube; two staminodes sometimes also present. Fruit a capsule. Seeds 4.