life
cycle - perennial, reproducing by seed and rhizomes
with tubers tubers 1, tubers 2
stems - vine-like and twining, smooth to slightly pubescent
growth habit
leaves -
alternate, pinnately compound, 5 to 7 leaflets; leaflets lanceolate
to oval, smooth above, pubescent below, terminal leaflet broader
than lateral leaflets leaves
1, leaves
2
flowers - purplish-brown, fragrant; axillary racemes
seedpods - bean pod
