Puccinia coaetanea Bubák, 1905

on Galium

gall

Spermogonia amphigenous, numerous, large. Aecia hypophyllous, in groups on yellow to purple leaf spots, cupulate, with white, recurved margin split into segments and yellow spores. Uredinia amphigenous, long covered by the epidermis, ultimately brown, pulverulent; spores with 2-3(4) germination pores. Telia hypophyllous, black, compact; spores two-celled, 20-24 x 38-42 µm, brown, with apically strongly thickened wall; pedicel thick, persistent.

host plants

Rubiaceae, narrowly monophagous

Galium bieberstenii, glaucum.

references

Brandenburger (1985a: 507), Buhr (1964b), Gäumann (1959a), González Fragoso (1924a), Kabaktepe, Karakuş & Mutlu (2015a), Klenke & Scholler (2015a).