Origanum vulgare, from González Fragoso (1924a): teliospores

gall

No host plant alternation, only telia. Telia predominantly on the stems, petioles and midribs, long covered by the epidermis, eventually black. Spores two-celled, short-elliptic, smooth. Infected shoots form conspicuous witches’ brooms, with stiffly erect branches and small, closely set leaves.

host plants

Lamiaceae, monophagous

Origanum vulgare.

synonyms

sometimes considered synonymous with P. thymi.

references

Brandenburger (1985a: 537), Braun & Klenke (2021a), Buhr (1965a), Gäumann (1959a), González Fragoso (1924a), Losa España (1942a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a).