Neonotonia wightii (Wight & Arn.) Lackey

Neonotonia wightii (Wight & Arn.) Lackey. Neonotonia wightii, the perennial soybean, is a species of flowering plant in the family Fabaceae, native to sub‑Saharan Africa, Yemen, India, and Sri Lanka, and widely introduced as a forage in Brazil, Bolivia, Paraguay, northern Argentina, the Mascarene Islands, Peninsular Malaysia, Java, New Guinea, Queensland and New South Wales in Australia, and Fiji. It is shade tolerant.