What is "macroscepis"

'Macroscepis ' is a genus of plants in the family Apocynaceae, first described as a genus in 1819. It is native to Latin America and the West Indies.

moved to Gonolobus, Matelea, Oxypetalum

1. Macroscepis dutrae now Gonolobus dutrae
2. Macroscepis longiflora now Matelea longiflora
3. Macroscepis retusa now Oxypetalum retusum