Phyllactinia enkianthi Zhao, 1985

on Rhododendron

gall

mycelium both internal and external; external mycelium hypophyllous, thin, inconspicuous, initially round patches, finally covering the entire leaf. Appressoria nipple-shaped, hooked, branching or coarsely lobed, solitary or paired. Conidia single, clavate, without fibrosin bodies. Conidiophores thin and very long (up to 550 µm). Cleistothecia hypophyllous with an equatorial circle of 8-17 stiff, acicular appendages that are abruptly swollen at their base, 1-1.5 as long as the diameter of the cleistothecium. Asci 6-12 with generally two spores.

host plants

Ericaceae, monophagous

Rhododendron mucronatum, ponticum

references

Braun & Cook (2012a), Klenke & Scholler (2015a), Leysen (2017a).