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Sunflower

Scientific Name
Helianthus annuus
Scientific Author
Linnaeus, C. (1753)
Taxonomy
(Magnoliophyta: Magnoliopsida: Asterales: Asteraceae)
Reliability
High
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Diagnostic Images

Achene Dorsal
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Caption
Seed Project
Source
Clare McLellan Museum Victoria
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Diagnostic Images (8)
Other Images (3)
Diagnostic Notes
Pictured: Achene

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

Description:

Achene appendages: Ridges and grooves

Achene Colour: Variable - Striped, black, grey, ivory

Achene Length: 7 - 10mm

Achene Sculpture: Striate

Achene Shape: Tear - drop

Achenes broad-cuneate, flattened, 5–10 mm long, black with grey streaks, finely pubescent; pappus absent

More Information
Specimen Contact
AQIS
Author
Clare McLellan
Created
19/09/2011 10:17 AEST
Last Updated
15/01/2013 10:52 AEST
Citation
Clare McLellan (2011) Sunflower (Helianthus annuus) Updated on 1/15/2013 10:52:28 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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