Tristaniopsis is a genus of shrubs and trees in the myrtle family Myrtaceae described as a genus in 1863. They have a wide distribution in Southeast Asia, New Guinea, New Caledonia and Australia.

Species

The following species are accepted by Plants of the World Online as at July 2024: • Tristaniopsis anomala (Merr.) Peter G.Wilson & J.T.Waterh. – Borneo • Tristaniopsis beccarii (Ridl.) Peter G.Wilson & J.T.Waterh. – Borneo • Tristaniopsis bilocularis (Stapf) Peter G.Wilson & J.T.Waterh. – Borneo • Tristaniopsis burmanica (Griff.) Peter G.Wilson & J.T.Waterh. – Thailand, Cambodia, and Myanmar • Tristaniopsis callobuxus Brongn. & Gris – New Caledonia • Tristaniopsis capitulata Brongn. & Gris – New Caledonia • Tristaniopsis collina Peter G.Wilson & J.T.Waterh. – Queensland, New South Wales • Tristaniopsis decorticata (Merr.) Peter G.Wilson & J.T.Waterh. – Philippines • Tristaniopsis elliptica (Stapf) Peter G.Wilson & J.T.Waterh. – Borneo • Tristaniopsis exiliflora (F.Muell.) Peter G.Wilson & J.T.Waterh. – Queensland • Tristaniopsis ferruginea (C.T.White) Peter G.Wilson & J.T.Waterh. – New Guinea • Tristaniopsis flexuosa Fernando & Peter G.Wilson – Philippines • Tristaniopsis fruticosa (Ridl.) Peter G.Wilson & J.T.Waterh. – Peninsular Malaysia • Tristaniopsis glauca Brongn. & Gris – New Caledonia • Tristaniopsis guillainii Vieill. ex Brongn. & Gris – New Caledonia • Tristaniopsis jaffrei J.W.Dawson – New Caledonia • Tristaniopsis kinabaluensis P.S.Ashton – Borneo (Sabah) • Tristaniopsis laurina (Sm.) Peter G.Wilson & J.T.Waterh. – Queensland, New South Wales, Victoria • Tristaniopsis littoralis (Merr.) Peter G.Wilson & J.T.Waterh. – Philippines • Tristaniopsis lucida J.W.Dawson – New Caledonia • Tristaniopsis macphersonii J.W.Dawson – New Caledonia • Tristaniopsis macrosperma (F.Muell.) Peter G.Wilson & J.T.Waterh. – New Guinea • Tristaniopsis merguensis (Griff.) Peter G.Wilson & J.T.Waterh. – Cambodia, Myanmar, Peninsular Malaysia, Borneo, Java, Sumatra • Tristaniopsis micrantha (Merr.) Peter G.Wilson & J.T.Waterh. – Philippines • Tristaniopsis microcarpa P.S.Ashton – Borneo • Tristaniopsis minutiflora J.W.Dawson – New Caledonia • Tristaniopsis musa-amanii Berhaman & Peter G.Wilson – Borneo • Tristaniopsis ninndoensis J.W.Dawson – New Caledonia • Tristaniopsis oblongifolia (Merr.) Peter G.Wilson & J.T.Waterh. – Philippines • Tristaniopsis obovata (Benn.) Peter G.Wilson & J.T.Waterh. – Peninsular Malaysia, Borneo, and Sumatra • Tristaniopsis oreophila (Diels) Peter G.Wilson & J.T.Waterh. – New Guinea • Tristaniopsis parvifolia A.J.Scott – western New Guinea • Tristaniopsis pentandra (Merr.) Peter G.Wilson & J.T.Waterh. – Borneo • Tristaniopsis planidisca Lannuzel – New Caledonia • Tristaniopsis polyandra (Guillaumin) Peter G.Wilson & J.T.Waterh. – New Caledonia • Tristaniopsis pontianensis (M.R.Hend.) Peter G.Wilson & J.T.Waterh. – Peninsular Malaysia • Tristaniopsis razakiana (Kochummen) Peter G.Wilson & J.T.Waterh. – Peninsular Malaysia • Tristaniopsis reticulata J.W.Dawson – New Caledonia • Tristaniopsis rubiginosa Teo ex P.S.Ashton – Borneo • Tristaniopsis sam-mannanii Berhaman & Peter G.Wilson – Borneo (Sabah) • Tristaniopsis vieillardii Brongn. & Gris – New Caledonia • Tristaniopsis whiteana (Griff.) Peter G.Wilson & J.T.Waterh. – Peninsular Malaysia, Borneo, and Sumatra • Tristaniopsis yateensis J.W.Dawson – New Caledonia