2 literature references for Indigofera tinctoria var. torulosa Baker f.:

Author: Roskov Yu.R.
Year: 2005
Title:
Source: Editorial Scrutiny: Malesian data import (unpubl.)
Author: De Kort,I.& Thijsse,G.
Year: 1984
Title:
Source: Blumea 30 (1): 89-151. A rev. of Indigofera in S.E. Asia