Ustanciosporium gigantosporum (Liro) Piepenbring 2000

on Rhynchospora

gall

the anthers and ovaries are modified into a black mass of spores, still enclosed by the glumes. Spores 14-21 x 17-20 µm. The infection is systemic, infected plants are dwarfed, the shape of the flowers is abnormal.

host plants

Cyperaceae, monophagous

Rhynchospora alba.

synonyms

Cintractia gigantospora Liro, 1935; Ustilago rhynchosporae Sauter, 1854 (niet: Ustanciosporium rhynchosporae Vánky, 1999).

references

Klenke & Scholler (2015a), Riegler-Hager (2005a), Spooner & Leon (2006a), Vánky (1994a).

mod 26.iii.2019