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Lepidobolus Smut

Scientific Name
Restiosporium lepidoboli
Scientific Author
(McAlpine) Vánky
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

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Diagnostic Images (3)
Diagnostic Notes
Sori in all nuts of an inflorescence, elongate, 3–7 mm long, 1.0–1.5 mm wide, hidden by the floral envelopes, filled with a black semi-agglutinated to granular-powdery mass of spore balls.

Spore balls subglobose, ovoid, ellipsoidal, elongate or irregular, 50–110 (–140) × 40–90 µm, dark reddish brown to subopaque, moderately permanent, composed of tens of spores that separate rather readily by pressure.

Spores subglobose, ovoid, ellipsoidal to usually subpolyhedrally or polyhedrally irregular, 10.5–20.0 (–24) × 9.0–13.5 (–15) µm, medium dark olivaceous brown; wall 2–4 (–5.5) µm thick, thickest at the angles, with 1 to several short subacute or acute tips at the angles, and often narrow lines connecting two tips, lines present between two contact sides with other spores. Spores finely punctate-verruculose, especially on the free surface which is also roughened by the remnants of sporogenous hyphae.

Spore germination producing 4-celled phragmobasidia in which basidial cells fuse in pairs.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
07/12/2010 12:05 AEST
Last Updated
07/12/2010 12:05 AEST
Citation
Roger Shivas (2010) Lepidobolus Smut (Restiosporium lepidoboli ) Updated on 12/7/2010 12:05:21 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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