Phyllosticta cruenta (Fries) Kickx, 1849

on Polygonatum

Phyllosticta cruenta on Polygonatum odoratum

Polygonatum odoratum, Katwijk, Coepelduynen © Koen van Zoest

Phyllosticta cruenta on Polygonatum odoratum

leaf spot, upperside

Phyllosticta cruenta on Polygonatum odoratum

same spot, underside; in most spots the conidia ere hypohyllous, like here

Phyllosticta cruenta: conidia

conidia

Phyllosticta cruenta: conidia

conidium with thin mucous cover and gelatinous appendage

gall

Leaf spots with a purplish red, somewhat thickened margin; pucnidia black. Conidia 4-6 x 10-15 µm, hyaline, one-celled with a thin mucoid layer and a short gelatinous appendage.

hostplants

Asparagaceae, monophagous

Polygonatum multiflorum, odoratum.

synonyms

Phyllosticta convallariae Persoon, 1818.

references

Blumer (1946a), Brandenburger (1985a: 726), Grove (1935), Losa España (1944a), Ludwig (1974a), Wulandari, Bhat & To-anun (2013a).

25/05/2017

pub 8.vii.2017 · mod 4.viii.2017