Sutera

Shrublets, suffrutices, perennial or annual herbs, glandular and sometimes aromatic. Leaves usually opposite, sometimes alternate above, simple or entire to deeply lobed. Inflorescence racemose; flowers usually solitary in axils, sometimes in small cymes or panicles. Calyx 2-lipped, sometimes obscurely so. Corolla tube funnel-shaped; throat glabrous; lobes spreading. Stamens 4, didynamous; anticous pair exserted, posticous included or exserted; posticous filaments not decurrent down corolla tube. Stigma very short (up to 2 mm, but often much shorter), minutely 2-fid. Fruit a septicidal capsule. Seeds pallid, grey-blue or amber-coloured with longitudinal rows of transversely elongated pits.

Sutera is a genus of annual and perennial flowering plants and shrubs of the family Scrophulariaceae mainly confined to Africa.