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Chrysopogon Smut

Scientific Name
Macalpinomyces tubiformis
Scientific Author
R.G. Shivas & Vánky
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

Light micrograph
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Caption
Macalpinomyces tubiformis on Chrysopogon fallax - BRIP 39858. Scale bar = 10 µm.
Source
Roger Shivas DEEDI
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Diagnostic Images (3)
Diagnostic Notes
Sori in some sessile and pedicellate spikelets of an inflorescence, greatly hypertrophied, destroying the innermost floral organs, long-tubiform, often bent or twisted, 25–50 mm long, 2–3 mm wide, covered by a grey peridium of host and fungal origin which ruptures longitudinally exposing the dark brown powdery mass of spores mixed with groups of sterile cells.

Spores globose, subglobose, usually ellipsoidal, 9.0–13.5 × 8–11 µm, olivaceous brown; wall uniformly 1.5–2.5 µm thick, including the dense acute pyramidal warts.

Sterile cells in irregular groups; individual cells globose, subglobose, ellipsoidal, 5.0–9.5 (–12) × 5–8 (–10) µm, hyaline; wall c. 0.5 µm, smooth.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
03/12/2010 03:14 AEST
Last Updated
03/12/2010 15:14 AEST
Citation
Roger Shivas (2010) Chrysopogon Smut (Macalpinomyces tubiformis ) Updated on 12/3/2010 3:14:23 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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