What is "amphineurion"

Amphineurion is a genus of plants in the Apocynaceae, first described as a genus in 1948. It contains only one known species, Amphineurion marginatum, native to Cambodia, S China ( Guangdong, Hainan), India, Indonesia, Laos, Malaysia, Philippines, Thailand and Vietnam.

Aganosma marginata is a liana that can grow up to in length.> When young, it sometimes forms a shrub with arching branches. Its habitats are mountain forests and seashore thickets.