Perennial herbs and semishrubs, branching profusely and often woody below, glandular punctate and strongly aromatic. Leaves simple, alternate, mostly lanceolate to elliptic or linear or 3(-5)-sect. Inflorescence in corymbose cymes, bracteate. Sepals 5. Petals 5, concave. Stamens 10, filaments free, subulate and pubescent/barbate on the inner side. Ovary 3-5-locular; locules 1-6 (-10)-ovulate; styles fused; stigma capitate. Capsule 3-5-lobed, usually dehiscent. Seeds reniform, rugose.