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Leptocarpus Smut

Scientific Name
Restiosporium lepyrodiae
Scientific Author
Vánky
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

Host symptoms
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Caption
Restiosporium lepyrodiae on Lepyrodia scariosa - BRIP 47200. Scale bar = 1 cm.
Source
Roger Shivas DEEDI
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Diagnostic Images (4)
Diagnostic Notes
Sori in the capsules replacing the seeds, filling the capsules with a black initially agglutinated, later granular-powdery mass of spore balls that are dispersed when the capsules split longitudinally. Infection systemic; all flowers of a shoot and all shoots of a plant affected; infected male plants developing gynoecia with sori (transvestism).

Spore balls ovoid, ellipsoidal or elongate, usually slightly irregular, rarely subglobose, (30–) 45–100 × (30–) 40–65 (–70) µm, dark reddish brown, composed of tens of rather firmly united spores.

Spores subglobose, ellipsoidal to irregularly subpolyhedral, 11–20 × 8–13 µm, yellowish to reddish brown; wall thin, uniformly c. 0.7 µm, apparently smooth; in SEM free surface finely low-verrucose.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
07/12/2010 01:30 AEST
Last Updated
07/12/2010 13:30 AEST
Citation
Roger Shivas (2010) Leptocarpus Smut (Restiosporium lepyrodiae ) Updated on 12/7/2010 1:30:06 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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