U. ferrea

G. Don. these alkaloids have previously been reported to occur in U. gambir of doubtful authenticity. The results of the present study are consistent with the report that the material from which the roxburghines were isolated consisted of leaves from four distinct species, including U. gambir, U. ferrea (Bl.) DC., and U. elliptica (syn. 

U. Konwar and N. Karak, Mesua ferrea L. seed oil-based highly branched polyester resins , Polym Plastics Technol Eng, 2009, 48, 970-5. 

U. Konwar, N. Karak and M. Mandai, Mesua ferrea L. seed oil-based highly thermostable and biodegradable polyester/clay nanocomposites ,Po/ym Degrad Stabil, 2009, 94, 2221-30. 

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