<Ul> <Li> Syngonium podophyllum, the arrowhead vine </Li> </Ul> <Li> Syngonium podophyllum, the arrowhead vine </Li> <Li> Thunbergia grandiflora, known as the Bengal clock vine or blue trumpet vine </Li> <Li> Thunbergia erecta, the bush clock vine </Li>

Where does the last name vines come from