Vincetoxicum polyanthum
Vincetoxicum polyanthum, commonly known as coast tylophora, is a vine in the dogbane family Apocynaceae first described in 1891 by the German botanist Otto Kuntze. It is native to the Australian states of New South Wales, the Northern Territory, and Queensland. In the Australian Tropical Rainforest Plants identification key, it is still treated as Tylophora benthamii. References

polyanthum
Plants described in 1891
Flora of New South Wales
Flora of the Northern Territory
Flora of Queensland