Melampsora ricini Passerini, 1873

on Euphorbia, Ricinus

Melampsora ricini: urediniospores, parahyses

Ricinus communis, from González-Fragoso (1925a): urediniospores and paraphyses

gall

Spermogonia and aecia unnown. Most uredinia hypophyllous, golden yellow, with many, clavate, paraphyses; the diameter of the head is 12-23 µm. Telia amphigenous, subepidermal, dark brown; very rarely formed.

hostplants

Euphorbiaceae, oligophagous

Euphorbia heterophylla, ipecacuanhae, lamarckii, marginata; Ricinus communus.

notes

often considered conspecific with M. euphorbiae.

synonyms

Uredo ricini Bivona-Bernardi, 1815.

references

Brandenburger (1985a), Gäumann (1959a), Gjaerum (1982a), González-Fragoso (1925a), Klenke & Scholler (2015a), Savchenko, Heluta, Wasser & Nevo (2014c), Săvulescu & Rayss (1935a), Termorshuizen & Swertz (2011a).

28/05/2017

mod 25.vii.2017