Euphorbia is a highly diverse plant genus, comprising some 5,000 currently accepted taxa. This is an alphabetical list of the Euphorbia species and notable intraspecific taxa. The list includes the former (and never generally accepted) genus Chamaesyce, as well as the related genera Elaeophorbia, Endadenium, Monadenium, Synadenium and Pedilanthus which according to recent DNA sequence-based phylogenetic studies are all nested within Euphorbia Noticeably succulent plants are marked by (s).
P
Q
Euphorbia qarad Deflers (s) Euphorbia quadrangularis Pax (s) Euphorbia quadrata Nel (s) Euphorbia quadrialata Pax (s) Euphorbia quadrilatera L.C.Leach (s) Euphorbia quadrispina S.Carter (s) Euphorbia quaitensis S.Carter (s) Euphorbia quartziticola Leandri (s) Euphorbia quinquecostata Volkens (s) Euphorbia quintasii Jord. Euphorbia quitensis Boiss.
R
S
T
U
Euphorbia ugandensis Pax & K.Hoffmann ex Pax Euphorbia uhligiana Pax (s) Euphorbia uliginosa Welw. ex Boiss.; Euphorbia umbellulata Engelm. ex Boiss. Euphorbia umbonata S.Carter (s) Euphorbia umbraculiformis Rauh (s) Euphorbia umbrosa Bert. ex Spreng. Euphorbia umfoloziensis R.G.Peckover (s) Euphorbia undulata M.Bieb. Euphorbia undulatifolia Janse (s) Euphorbia unicornis R.A.Dyer (s) Euphorbia uniglandulosa S.Watson Euphorbia uniglans M.G.Gilbert (s) Euphorbia unispina N.E.Br. (s) Euphorbia uralensis Fisch. ex Link Euphorbia urbanii (Millsp.) Oudejans Euphorbia urceolophora Parodi Euphorbia usambarica Pax (s) Euphorbia usambarica subsp. elliptica Pax (s) Euphorbia usambarica subsp. usambarica (s) Euphorbia uzmuk S.Carter & J.R.I.Wood (s)
V
W
Euphorbia wakefieldii N.E.Br. (s) Euphorbia waldsteinii (Soják) Radcl.-Sm. Euphorbia waldsteinii var. jaxartica (Prokh.) Oudejans Euphorbia waldsteinii var. orientalis (Boiss.) Oudejans Euphorbia waldsteinii var. saratoi (Ardoino) Oudejans Euphorbia waldsteinii var. waldsteinii Euphorbia wallichii Hook.f. Euphorbia wangii Oudejans Euphorbia waringiae Rauh & R.Gerold (s) Euphorbia waterbergensis R.A.Dyer (s) Euphorbia weberbaueri R.Mansfeld (s) Euphorbia wellbyi N.E.Br. Euphorbia wellbyi var. wellbyi Euphorbia wellbyi var. glabra S.Carter Euphorbia welwitschii Boiss. & Reut. Euphorbia wheeleri Baillon Euphorbia whellanii L.C.Leach (s) Euphorbia whyteana Baker f. Euphorbia wildii L.C.Leach (s) Euphorbia williamsonii L.C.Leach (s) Euphorbia wilmaniae Marloth (s) Euphorbia wilsonii (Millsp.) Correll Euphorbia wittmannii Boiss. Euphorbia woodii N.E.Br. (s) Euphorbia wootonii Oudejans Euphorbia woronowii Grossh. Euphorbia wrightii Torr. & A.Gray (s) - Wright's spurge
X
Euphorbia xalapensis Kunth Euphorbia xanthadenia Denis (s) Euphorbia xanti Engelm. ex Boiss. (s) Euphorbia xbacensis Millsp. Euphorbia xeropoda Brandegee Euphorbia xylacantha Pax (s) Euphorbia xylopoda Greenm.
Y
Euphorbia yadgirensis Sarojin & Raja Kullayisw Euphorbia yamashitae Kitam. Euphorbia yajinensis W.T.Wang Euphorbia yaroslavii P.P.Poljakov Euphorbia yattana (P.R.O.Bally) Bruyns (s) (= Monadenium yattanum) Euphorbia yayalesia Urb. Euphorbia yemenica Boiss. Euphorbia yinshanica S.Q.Zhou Euphorbia yucatanensis (Millsp.) Standl.
Z
Euphorbia zakamenae Leandri (s) Euphorbia zambesiana Benth. (s) Euphorbia zambesiana var. benguelensis (Pax) N.E.Br. (s) Euphorbia zambesiana var. zambesiana (s) Euphorbia zeylana N.E.Br. Euphorbia zierioides Boiss. Euphorbia zornioides Boiss. Euphorbia zoutpansbergensis R.A.Dyer (s)
Notes
References Bruyns, Peter V. & al. (2006): A new subgeneric classification for Euphorbia (Euphorbiaceae) in southern Africa based on ITS and psbA-trnH sequence data. Taxon 55(2): 397–420. HTML abstract Govaerts, R. & al. (2010). World Checklist of Malpighiales. The Board of Trustees of the Royal Botanic Gardens.[1] Steinmann, V.W. (2003): The submersion of Pedilanthus into Euphorbia (Euphorbiaceae). Acta Botanica Mexicana 65: 45-50. PDF fulltext [English with Spanish abstract] Steinmann, V.W. & Porter, J.M. (2002): Phylogenetic relationships in Euphorbieae (Euphorbiaceae) based on ITS and ndhF sequence data. Annals of the Missouri Botanical Garden 89(4): 453–490. doi:10.2307/3298591 (HTML abstract, first page image)
