Entyloma ranunculi-scelerati Kochman,1936

on Ranunculus

Entyloma eburneum leaf spots on Ranunculus sceleratus

Ranunculus sceleratus, Belgium, prov. Antwerp, Balen, Griesbroek © Carina Van Steenwinkel

Entyloma eburneum leaf spots on Ranunculus sceleratus

underside

Entyloma eburneum spores

spores, embedded in the host plant tissue

Entyloma eburneum anamorph conidia

conidia of the anamorph (see under Entyloma)

parasite

Soru up to 4 nn large flat leaf spots, yellowish white above, at the underside dull-white because of conidiophores and conidia. Embedded in the host tissue loose groups of hyaline spores. Spores globular, smooth, ø 10-12 µm, wall consisting of two layers. Conidia of the anmorph aciculate, aseptate, 20-60 µm.

host plants

Ranunculaceae, narrowly monophagous

Ranunculus sceleratus.

synonyms

Until the revision by Kruse ao this species was considered conspecific with E. ranunculi-repentis (now E. eburneum).

references

Kruse, Lutz, Piątek & Thines (2018a), Negrean & Denchev (2000a), Scholler & Schubert (1993a), Vanderweyen & Fraiture (2014), Vánky (1994a).

mod 23.viii.2019