👉 Oncodiscus is a genus of flowering plants in the family Apocynaceae, commonly known as the dog's tail or the grass pea, and is part of the plant family Asteraceae. These plants are native to North America, with some species found throughout the world. In terms of biology, Oncodiscus belongs to the order Plantaginales, which includes flowering plants like the dog's tail. The genus name "Oncodiscus" refers to