Puccinia tuyutensis Spegazzini, 1881

on Cressa

gall

No host plant alternation. Spermogonia unknown. Aecia hypophyllous, numerous, covering a good part of the leaf, yellow, border white, crenated. Urediniopsores and teliospores in mixed sori; these hypophyllous, cinnamon coloured, tiny. Urediniospores 22-26 x 24-32 µm, 3 or more germination pores. Teliospores 24-26 x 40-44 µm, two-celled, both cells rounded, wall smooth; pedicel short, deciduous.

hostplants

Convolvulaceae, monophagous

Cressa cretica, villosa.

synonyms

Puccinia cressae Lagerheim, 1889.

references

Brandenburger (1985a: 514), González Fragoso (1924a), Savchenko, Heluta, Wasser & Nevo (2014d), Unamuno (1941b).

29/05/2017

mod 16.vii.2017