a deciduous liana with brown barks found on low hill edges or in
bright forests, winds itself around trees to grow up to the crowns.
Leaves are of alternate phyllotaxis and imparipinnate compound leaf,
15-25cm long, with leaflets of 4-6 pairs, 4-7cm-long, oblong or
oblong-ovate, with entire margins. Racemes hang down from branch
tips and set many 2-3cm-long purple papilionaceous flowers in them.
Bloom time: May.