Urostigma cuneatum Erythroxylum sumatranum Erythroxylum bancanum Erythroxylum borneense Erythroxylum burmanicum Erythroxylum cuneatum f. sumatranum Erythroxylum iwahigense f. calcicola Erythroxylum latifolium Erythroxylum longistipulatum Erythroxylum platyphyllum Erythroxylum latifolium var. longipetiolatum Erythroxylum latifolium var. angustatum Erythroxylum densinerve Erythroxylum iwahigense Erythroxylum retusum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024