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Triodia culm smut

Scientific Name
Ustilago altilis
Scientific Author
Syd.
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images (3)
Diagnostic Notes
Sori in the distal part of the stems (destroying the inflorescence?), at first concealed by leaf sheaths and covered by a grey peridium of host origin lined by mycelia, fusiform, bullate, 10–50 mm long, 3–10 mm wide. Infected plants somewhat stunted and congested. Peridium rupturing irregularly exposing the black semi-agglutinated mass of spores surrounding the stem of the host.

Spores globose, subglobose to broadly ellipsoidal, 7–12 × 7–11 µm, reddish brown; wall 2.5–3.0 µm thick, densely and prominently verrucose. Spore formation was observed on the inner surface of the peridium; immature spores in chains, formed within the ramified sporogenous hyphae.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
16/12/2010 11:21 AEST
Last Updated
16/12/2010 11:21 AEST
Citation
Roger Shivas (2010) Triodia culm smut (Ustilago altilis) Updated on 12/16/2010 11:21:40 AM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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