Otacanthus

Octacanthus is a genus in the Plantaginaceae family consisting of up to 5 species which occur in Brazil. They are usually soft-wooded shrubs or small trees, growing at very sunny spots. The flowers are showy and zygomorphic with big lips (labella).

The species Otacanthus caeruleus occurs in Brazil and is about 1 m high. The branches grow somewhat straight up, with softwood. The zygomorphic violet-blue flowers have a bended corolla with 2 cm. long lips (labella).