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Hemarthria smut

Scientific Name
Sporisorium lepturi
Scientific Author
(Thüm.) Vánky
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

Scanning electron micrograph
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Caption
Sporisorium lepturi on Hemarthria uncinata - BRIP 39669. Scale bar = 1 µm
Source
Desley Tree DEEDI
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Diagnostic Images (3)
Diagnostic Notes
Sori occupying the entire inflorescence, cylindrical, 15–30 mm long, 1–2 mm wide, at first covered by a greyish brown fungal peridium that ruptures irregularly and flakes away exposing the dark brown powdery mass of spores, finally leaving behind a well-developed central columella of host origin.

Spores when young in irregular many-spored balls, later solitary, subglobose, ovoid to slightly irregular, 6–9 (–10) × 5.5–8.0 µm, light olive-brown; wall thin, c. 0.5 µm, apparently smooth to very finely and sparsely punctate.

Sterile cells in irregular groups between the spores; single cells larger than the spores, hyaline, smooth.

Spore germination resulting in septate basidia bearing elongate basidiospores laterally and terminally.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
23/11/2010 05:30 AEST
Last Updated
23/11/2010 17:30 AEST
Citation
Roger Shivas (2010) Hemarthria smut (Sporisorium lepturi) Updated on 11/23/2010 5:30:13 PM 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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