Melampsora euphorbiae (Ficinus & Schubert) Castagne, 1843
on Euphorbia
Euphorbia peplus, Nieuwendam: plant with uredinia
detail
urediniospores and paraphyses
the heads of the paraphyses form a protective layer over the uredinium
urediniospores (at right an empty one)
paraphyse
one single, dark brown, telium
the teliospores stand as a collection of columns under the epidermis
gall
Spermogonia orange. Aecia amphigenous, orange, without a peridium; no paraphyses. Most uredinia hypophyllous, yellow, with many, clavate, paraphyses; the diameter of the head is 14-26 µm. Telia amphigenous, subepidermal, dark brown; they are but rarely forned, except in E. peplus.
host plants
Euphorbiaceae, monophagous
Euphorbia agraria, altissima, anachoreta, arguta, atroppurpurea, aulacosperma, austriaca, azerbajdzhanica, azorica, cardiophylla, carniolica, chamaepeplus, characias, cheiradenia, cyparrissias, dendroides, dulcis, erinacea, esula & subsp. tommasiniana, exigua, falcata, flavicoma, helioscopia, hierosolymitana, hirsuta, hyberna, lamarckii, lathyris, leptocaula, lucida, macroclada, mellifera, myrsinites, nicaeensis & subsp. glareosa + stepposa, orientalis, oxyodonta, palustris, paralias, peplus, petiolata, platyphyllos, x pseudovirgata, pterococca, pulcherrima, retusa, reuteriana, rigida, seguieriana, semivillosa, stricta, taurinensis, terracina, tuckeyana, valerianifolia, verrucosa.
For references to Ricinus see Melampsora ricini.
synonyms
Melampsora euphorbiae-cyparissae Müller, 1907; M. euphorbiae-exiguae Müller, 1907; M. euphorbiae-pepli Müller, 1907.
references
Bahcecioglu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Bahçecioğlu & Yildiz (2005a), Baker (1955a), Beltran Tejera (1976a), Blumer (1946a), Brandenburger (1972a, 1985a: 338), Doppelbaur & Doppelbaur (1968a), Ellis & Ellis (1997a), Erdoğdu, Hüseyin & Suludere (2010a), Gäumann (1959a), Gjærum (1982a, 1984a, 1987a), Gjærum & Dennis (1976a), Gjaerum & Sunding (1986a), Gjærum, Talgø, Toppe, ao (2007a), González-Fragoso (1922a, 1925a), Henderson (2000a, 2004a), Jage, Klenke, Kruse oo (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Losa España (1942a), Ludwig (1974a), Maier, Begerow, Weiß & Oberwinkler (2003a), Mayor (1971a, 1973a), Negrean (1997a), Negrean & Denchev (2000a), Özaslan, Hüseyin & Erdogdu (2014a), Pellicier (2001a), Poelt & Zwetko (1997a), Riegler-Hager (2002b), Ruszkiewicz-Michalska (2006a), Savchenko, Heluta, Wasser & Nevo (2014c), Savchenko, Wasser, Heluta & Nevo (2019a), Săvulescu & Rayss (1935a), Scheuer & Bechter (2012a), Schmid-Heckel (1985a), Scholler, Reinhard & Schubert (1996a), Termorshuizen & Swertz (2011a), Tykhonenko (2010a), Unamuno (1941a,b), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).