Cleistanthus collinus

Family: Euphorbiaceae
Vernacular names: Odugu, Odaku, ഒടുക്ക് (Malayalam), Toxic Gooseberry (English), Indrayava (Sanskrit), Garari (Hindi), Otuvankaay (Tamil)
Distribution: South Asia
Description: Deciduous trees, to 15 m high. Leaves simple, alternate, distichous, elliptic, suborbicular, obovate or acute, apex round, retuse or apiculate, glabrous. Flowers unisexual, yellowish-green, in glomerules borne on main leafy branches and short lateral branchlet; the male 3-5 flowered; females up to 3 flowers. Male flowers puberulous, calyx tube shortly obconic, lobes 5; petals 5;. Female flowers: grey-pilose; calyx tube obconic, triangular-lanceolate; petals subulate. Fruit a capsule, 18-20 x 17-20 mm, subglobose or wide oblong, truncate at apex, shallowly 3 lobed and 3-angled, glossy, glabrous, pale brown, pedicels 0.5-1.5 mm long; seeds 3, globose, black.
Habit: Tree
Habitat: Deciduous forests
Flowering & Fruiting: December-November