Roridula dentata, commonly known as the northern dewstick, is a fascinating protocarnivorous plant native to the Western Cape province of South Africa. Endemic to South Africa, it thrives in the hotter and more arid inland mountains of Clanwilliam, Tulbagh, and Ceres, reaching heights of over 150 cm. The distinguishing feature of R. dentata lies in its leaves, which are adorned with sticky hairs and produce resin rather than the typical mucilage found in other sticky carnivorous plants. This unique adaptation allows R. dentata to ensnare insects such as wasps, bees, and occasionally even small birds.
Interestingly, R. dentata benefits indirectly from its prey capture mechanism. Certain species of Pameridea are unaffected by the stickiness of the leaves and feed on the trapped insects. Subsequently, these insects deposit nitrogen-rich droppings, which R. dentata absorbs, creating an obligate mutualistic relationship. This process exemplifies indirect carnivory, wherein the plant gains nutrients indirectly through the actions of another organism.
The classification of R. dentata as a proper carnivorous plant with flypaper-type traps is a subject of debate. However, its unique method of nutrient acquisition through indirect carnivory certainly sets it apart in the botanical world, showcasing the diverse strategies plants employ for survival in challenging environments.
3 Seeds
Very rare
