Psophocarpus tetragonolobus. Family: Fabaceae Subfamily: Faboideae Wing bean, Winged bean. Origin: New Guinea Vine or creeper Full sun Semi-shadePsophocarpus tetragonolobus is a PERENNIAL growing to 2 m (6ft 7in). It is hardy to zone (UK) 10 and is frost tender. The species is hermaphrodite (has both Winged bean (Psophocarpus tetragonolobus) is an herbaceous multipurpose legume grown in hot and humid countries as a pulse, vegetable (leaves and pods) Jul 9, 2019 - Effects of Temperature and Photoperiod on Winged Beans [Psophocarpus tetragonolobus (L.) D.C.]. H. M. W. HERATH 01 June 1979. PDF; Split View. Views. Mar 9, 2017 - Jun 30, 2016 - A protein concentrate (71.45% protein on a dry weight basis) was prepared from winged bean [Psophocarpus tetragonolobus (L.) DC] seeds. Solubility of the Jun 8, 2016 - Aug 30, 2019 -