The leaves are 21 to 39 cm long, the petioles are 7 to 16.5 cm long, the leaflets are paper or leathery, the terminal leaflets are oval, oblong or oval, 8 to 15 cm long, 3.5 to 6 cm wide, the leaf apex gradually becomes sharp, and the base is slightly wedge.
The racemes of the Ivy grow on the old stem, 10 to 36 cm long, with 3 flowers on each node, 1 to 2.5 cm long, with short bristle, calyx tube is wide cup, 8 to 12 mm long, 18 to 25 mm wide; corolla is dark purple, black after drying, about 6.5 cm long, flag petal is 3.2 to 4 cm long, round
