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Stemless thistle

Scientific Name
Onopordum acaulon
Scientific Author
Linnaeus, C (1753)
Taxonomy
(Magnoliophyta: Magnoliopsida: Asterales: Asteraceae )
Reliability
High
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Diagnostic Images

Achene Lateral
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Caption
Seed Project
Source
Clare McLellan Museum Victoria
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Diagnostic Images (8)
Diagnostic Notes
Pictured: Achene(s)

Disseminule: Fruit (referred to as achene or seed unit)

Description

Achene appendages: Ridges and grooves

Achene Colour: Variable - Light/Dark brown

Achene Length: 4 - 7mm

Achene Sculpture: Roughened, Striate

Achene Shape: Compressed ovoid

Achenes compressed-obovoid, 4–5 mm long; pappus bristles 2–3 cm long, barbellate Source: Royal Botanic Gardens and Domain Trust PlantNET - FloraOnline
More Information
Author
Clare McLellan
Created
26/07/2012 03:29 AEST
Last Updated
17/01/2013 11:43 AEST
Citation
Clare McLellan (2012) Stemless thistle (Onopordum acaulon) Updated on 1/17/2013 11:43:31 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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