Puccinia agropyri Ellis & Everhart, 1892

on Clematis

gall

aecia orange-yellow, on discoloured, eventually galled spots on the leaves, petioles and stems.

Only if the host plant alternation is known, a specific identification is possible for aecia on Clematis.

spermogonia, aecia

Rancunlaceae, monophagous

Clematis alpina, integrfolia, recta, vitalba.


on Agropyron s.l.

Puccinia agropyri: teliospores

Elytriga juncea, from González Fragoso (1924a): teliospores

gall

uredinia elongated, long covered by the epidermis; urediniospores 21-23 x 24-32 µm, with 3-4(7) pores. Telia long covered by the epidermis; they are compartimentalised by rows of brown paraphyses. Teliospores 2-celled, slender-clavate, not constricted, flattened at the tip; wall smooth, apically somewhat thickened; pedicel very short, persistent.

uredinia, telia

Poaceae, narrowly oligophagous

Agropyron cristatus; Elymus campestris, caninus, smithii; Elytrigia juncea, pungens, repens; Eremopyrum triticeum; Hordelymus europaeus; Taeniatherum caput-medusae subsp. crinitum.

synonyms

some authours consider this species conspecific with P. recondita.

references

Buhr (1964b), Gäumann (1959a), González Fragoso (1924a), Klenke & Scholler (2015a), Llorens i Villagrasa (1984a), Losa España (1942a), Termorshuizen & Swertz (2011a), Tóth (1994a), Unamuno (1942a).

mod 31.vii.2018