Siphonia Rich. Dataset GBIF Backbone Taxonomy Rank GENUS Published in J.C.D.von Schreber, Gen. Pl.: 656 (1791) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Hevea Name Homonyms Siphonia Siphonia E.M.Fries, 1820 Siphonia Parkinson, 1822 Siphonia Zetterstedt, 1837 Siphonia Rich. Siphonia Goldfuss, 1826 Siphonia Benth. Siphonia D.Richard ex Schreb.