''Ptelea'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the citrus family,

Rutaceae The Rutaceae is a family, commonly known as the rueRUTACEAE
in BoDD – Botanical Derm ...

. The name, of Greek derivation, is the classical name of the

elm Elms are deciduous and semi-deciduous trees comprising the flowering plant genus ''Ulmus'' in the plant family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical-montane regions of North ...

tree.

Carl Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...

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.

Species

*'' Ptelea aptera'' Parry *'' Ptelea crenulata'' Greene — California hoptree *''

Ptelea trifoliata ''Ptelea trifoliata'', commonly known as common hoptree, wafer ash, stinking ash, and skunk bush, is a species of flowering plant in the citrus family (Rutaceae). It is native to North America, where it is found in Canada, Mexico, and the United ...

'' 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 ''Cliftonia monophylla'', the buck-wheat tree, buckwheat tree or black titi, is a tree native to the southeastern United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is ...

'' (Lam.) Britton ex Sarg. (as ''P. monophylla'' Lam.) * ''Dodonaea viscosa'' subsp. ''angustifolia'' (L.f.) J.G.West (as ''P. viscosa'' L.)

References

External links

* Zanthoxyloideae Zanthoxyloideae genera {{Rutaceae-stub