Urocystis eranthidis (Pass.) Ainsw. & Sampson

Synonyms

Tuburcinia eranthidis (Pass.) Liro
Urocystis eranthidis (Pass.) Zundel
Urocystis pompholygodes f. eranthidis Pass.

Description

Sori in stems, leaves and petioles, as blister-like swellings, at first lead-coloured, covered by the epidermis which later ruptures exposing the black powdery mass of spore balls.

Spore balls globose to ovoid, 16–32 (–40) µm diam., composed of 1–2 (–3) central spores and a discontinuous to continuous layer of peripheral sterile cells.

Spores globose, subglobose to ovoid, 14.5–20.0 (–22.0) × 13.5–17.5 µm, light reddish brown, smooth.

Sterile cells globose, ovoid to irregular, 5–14 µm diam., pale yellow, smooth.

Hosts
   
Host family: Ranunculaceae
   
Host species: Eranthis hymenalis (L.) Salisb.

Distribution

States & Territories: NSW

Comments

It is suspected that U. eranthidis was introduced with the seed from which the plants of Eranthis were grown in 1957. There have been no further collections of this smut in Australia.