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Sow Thistle

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

Achene with pappus
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Caption
Seed Project
Source
Clare McLellan Museum Victoria
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Diagnostic Images (9)
Other Images (1)
Diagnostic Notes
Pictured: Achene(s)

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

Description:

Achene appendages: Pappus (Hairs or bristles)

Achene Colour: Variable - brown/yellow

Achene Length: 2 - 4mm

Achene Sculpture: Ribbed, Rugose, Striate

Achene Shape: Elliptic tear-drop

Heads 5–6 mm diam., few to many in cymose or umbellate inflorescence; involucral bracts glabrous or with glandular hairs along midline

Achenes compressed-obovoid, 2.5–4 mm long, 3-ribbed on each face, wrinkled, with narrow margins; pappus 5–8 mm long

Source: Royal Botanic Gardens and Domain Trust PlantNET - FloraOnline
More Information
Author
Clare McLellan
Created
21/11/2011 01:15 AEST
Last Updated
17/01/2013 11:33 AEST
Citation
Clare McLellan (2011) Sow Thistle (Sonchus oleraceus) Updated on 1/17/2013 11:33:08 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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