Other species that make up the middle canopy include Bandordima (Dysoxylum procerum), Dhuna (Conarium resiniferum), Bhomora (Terminalia belerica), Ful Gomari (Gmelina sp.) Bonbogri (Pterospermum lanceafolium), Morhal (Vatica lanceafolia), Selleng (Sapium baccatum), Sassi (Aqualari agolacha), and Otenga (Dillenia indica).
Lignans, such as 6“ - bromo - isoarboreol, 4-hydroxysesamin, 4,8-dihydroxysesamin, 1,4-dihydroxysesamin (gummadiol), 2-piperonyl-3-hydroxymethyl-4-(α-hydroxy-3,4-methylenedioxybenzyl)-4-hydroxytetrahydrofuran and the 4-O-glucoside of 4-epigummadiol, can be isolated from the heartwood of Gmelina arborea.