Perennial herb, with a thickened taproot, erect or sprawling, hairy, 0.1-0.3 m high. Leaves opposite or alternate, linear-lanceolate, slightly hairy, margins slightly thickened, dentate, crowded towards base. Flowers blue, in lax cymose panicles. Calyx: lobes elongate. Ovary 5-locular. Flowering time Oct.-Jan.
Erect or sprawling perennial to 30 cm. Leaves opposite below, linear-lanceolate, slightly hairy, margins slightly thickened, toothed. Flowers in lax, cymose panicles, narrowly bell-shaped, blue, 8-10 mm diam., calyx lobes elongate, ovary 5-locular, papillose to scabrid. Capsules hemispherical.