Large Indigo aina
(Indigofera zollingeriana )
Large indigo is an erect shrub which can grow into a small tree between 3-5 meters within 2 years. It has been observed up to 12 m in height. Its branches and leaves have white hairs. The leaf is 20 cm long and composed of 11-17 leaflets. The fruit is a legume, with pods 35-45 mm long and indehiscent (do not split open), each containing about 10 round, flat seeds stacked like a roll of coins in the pod.
Philippines
Medium-sized nitrogen-fixing tree. Can attain heights of 3-5 m (10-16 ft) within two years.