Pongamia pinnata (L.) Pierre
ഉങ്ങ്
Family : Leguminosae (Papilionoideae)
Synonym : Galedupa indica Lam.
Common Names : Ung, Minnari, Ponnam, Hongay oil tree, Indian beech tree, Pongam oil tree
Flowering Period : April – December
Distribution : Indo-Malesia
Habitat : Deciduous and mangrove forests, also planted as avenue tree
Uses : Biofuel. Oil is used in medicine for the treatment of rheumatism
Key Characters : Pongamia pinnata are evergreen trees, surface
grey, smooth. Leaves imparipinnate, alternate; leaflet, elliptic-lanceolate,
margin entire. Flowers bisexual, purplish-white, in lax axillary racemes. Calyx
tube campanulate; minutely 5 toothed, apex truncate; corolla exserted. Petals
5. Stamens 10, monadelphous. Ovary subsessile, inferior, 1-celled, ovules 2.
Fruit a pod, obliquely oblong, flat, thick.