Terrestrial herbs from scaly rhizomes; stems often reduced, unbranched, pilose. Leaves often congested into a rosette, opposite, equal in a pair; blades soft, pubescent, crenate to serrate; petioles usually short. Inflorescences terminal, elongate racemes; peduncles elongate; bracts alternate, minute, bearing in their axils the short pedicels. Flowers numerous, the floral tube turbinate, pilose; calyx lobes 5, free, equalling the length of the floral tube; corolla tubular, nearly erect in the calyx, and not spurred, 5-lobed, 2-lipped, the upper 2 lobes short and exceeded by the much longer and toothed 3 lower lobes; stamens 4, adnate to base of the corolla tube, the anthers united by their sides and apices; disc a nectariferous ring; ovary ?V inferior, the stigma bilobed. Fruit a capsule.
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