Ephedra arborea Lag. ex Bertol. Dataset Rank SPECIES Published in Fl. Ital. 10: 393 (1857) Classification kingdom Plantae phylum Tracheophyta class Gnetopsida order Ephedrales family Ephedraceae genus Ephedra species Ephedra distachya Name Homonyms Ephedra arborea F.Muell. Ephedra arborea Lag. ex Bertol. Ephedra arborea Lag.