Comprehensive DescriptionRead full entry
DescriptionShrubs, trees or woody climbers. Growth axes differentiated into 2 sorts: opposite leaves and in whorls of 3-4. Leaves with domatia. Inflorescences in heads, usually solitary, individual flowers well separated. Corolla salver- to funnel- shaped; lobes 4-5. Ovary 2-locular. Fruits fleshy, indehiscent, containing 2 1-seeded pyrenes.