2 literature references for Abrus precatorius var. novo-guineensis Miq.:

Author: Verdcourt,B.
Year: 1979
Title:
Source: A Manual of New Guinea Legumes. Office of Forests, Lae,PNG
Author: Turner,B.L.
Year: 1980
Title:
Source: Revision of the genus Piptanthus. Brittonia 32: 281-285