A
molecular phylogenetic study published in 2020 showed that when broadly
circumscribed,
Dioclea was not monophyletic. Many species were transferred to the genus
Macropsychanthus.
Species ,
Plants of the World Online accepted the following species: •
Dioclea albiflora R.S.Cowan •
Dioclea apurensis Kunth •
Dioclea burkartii R.H.Maxwell •
Dioclea fimbriata Huber •
Dioclea guianensis Benth. •
Dioclea holtiana Pittier ex R.H.Maxwell •
Dioclea lasiophylla Mart. ex Benth. •
Dioclea lehmannii Diels •
Dioclea macrantha Huber •
Dioclea ovalis R.H.Maxwell •
Dioclea paniculata Killip ex R.H.Maxwell •
Dioclea sericea Kunth •
Dioclea vallensis R.H.Maxwell •
Dioclea virgata (Rich.) Amshoff Species transferred to
Macropsychanthus include: •
Dioclea grandiflora →
Macropsychanthus grandiflorus •
Dioclea macrocarpa →
Macropsychanthus macrocarpus •
Dioclea megacarpa →
Macropsychanthus megacarpus •
Dioclea schimpffii →
Macropsychanthus schimpffii == Chemistry ==