Cyphanthera

Shrubs, tomentose with branched hairs or pubescent with mainly glandular hairs, or almost glabrous. Leaves alternate, simple, entire, sessile, subsessile or rarely petiolate. Inflorescences terminal or lateral cymes, sometimes raceme-, panicle- or thyrse-like, or flowers solitary. Flowers bisexual, slightly zygomorphic, with or without bracts; calyx campanulate to cupular, 5-lobed, persistent; corolla funnel-shaped to campanulate, 5-lobed, corolla-lobes spreading, inrolled in bud; stamens 4, in 2 unequal pairs, inserted at base of corolla-tube, a staminode sometimes present, anthers 1-celled, dorsifixed, not cohering around style, dehiscing by a terminal, semicircular slit; ovary 2-celled, stigma capitate or very shortly bilobed. Fruit a smooth capsule, opening by 4 apical valves, at least lower half enclosed by calyx; seeds more or less reniform.