Stems much branched; branches diffuse, hispid, very leafy; leaves linear-lanceolate, acuminate, marginate, subdenticulated, subciliated; flowers subsessile or shortly pedicellate, terminal and axillary; calyx-tube obovoid, hispid; lobes linear-acuminate, denticulate, leafy, longer than the tube; corolla as long or shorter than the calycine lobes, globed at the apex; capsule obconical, hispid.