Thecaphora amaranthi (Hirschhorn) Vánky, 1994

on Amaranthus

gall

Sori in ovaries here and there on the plant, often sausage-shaped, 1-1.5 mm in size, cinnamon brown, covered by a delicate membrane. They contain a dark brown mass of spore balls, each consisting of numerous, firmly agglutinated spores.

hostplants

Amaranthaceae, monophahous

Amaranthus hybridus, powellii, retroflexus.

synonyms

Glomosporium amaranthi Hirschhorn, 1945.

references

Klenke & Scholler (2015a), Negrean & Anastasiu (2006a), Vánky (1994a), Vánky, Lutz & Bauer (2008b).

mod 26.vii.2018