Ptelea is a genus of flowering plants in the citrus family, Rutaceae. The name, of Greek derivation, is the classical name of the elm tree. Carl Linnaeus used that word for this genus because of the resemblance of its fruit to that of the elm. Members of the genus are commonly known as hoptrees.
Contents
Species
Ptelea aptera Parry — Baja Californian ptelea (wingless ptelea)
Ptelea crenulata Greene — California hoptree
Ptelea trifoliata L. — common hoptree
Ptelea trifoliata subsp. angustifolia (Benth.) V.L.Bailey
Ptelea trifoliata subsp. coahuilensis (Greene) V.L.Bailey
Ptelea trifoliata f. fastigiata (Bean) Rehder
Ptelea trifoliata subsp. pallida (Greene) V.L.Bailey
Ptelea trifoliata subsp. polyadenia (Greene) V.L.Bailey
Ptelea trifoliata f. pubescens (Pursh) Voss
Ptelea trifoliata subsp. trifoliata
Formerly placed here
Cliftonia monophylla (Lam.) Britton ex Sarg. (as P. monophylla Lam.)
Dodonaea viscosa subsp. angustifolia (L.f.) J.G.West (as P. viscosa L.)