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Field Bindweed

Scientific Name
Convolvulus arvensis
Scientific Author
Linnaeus, C (1753)
Taxonomy
(Magnoliophyta: Magnoliopsida: Solanales: Convolvulaceae)
Reliability
High
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Diagnostic Images

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Caption
Australian $2 Coin with seeds
Source
Clare McLellan Museum Victoria
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Diagnostic Images (6)
Other Images (1)
Diagnostic Notes
Pictured: Seed(s)

Description

Seed Colour: Variable - Light/Dark brown

Seed Length: 2 - 4mm

Seed Sculpture: Carinate, Granular, Tuberculate

Seed Shape: Wedge

Fruit a capsule with 2–4 seeds. Seeds wedge-shaped, obovate to broadly obovate in outline, (2.5)3.0–4.5 mm long, 2.0–3.0(3.5) mm wide, 2–3 mm thick. Dorsal side strongly arched toward the apex and sloping downward to a bluntly pointed base, two ventral sides flat or slightly concave and forming a blunt ridge (keel) where they join; cross section sector-shaped. Testa dull, light to dark grey- or orange-brown, with numerous whitish, blunt tubercles or wavy ridges. Hilum oval, +/– sunken, terminal, lying perpendicular to long axis of seed, reddish or same color as testa, 0.3 mm x 0.5 mm, lacking surrounding ridge, with small dome-like elevation at base of hilum. Embryo folded; endosperm hard and clear.

(Scher, J. L. and D. S. Walters. 2010. Federal noxious weed disseminules of the U.S. California Department of Food and Agriculture, and Center for Plant Health Science and Technology, USDA, APHIS, PPQ)
More Information
Author
Clare McLellan
Created
06/12/2011 01:55 AEST
Last Updated
18/01/2013 15:34 AEST
Citation
Clare McLellan (2011) Field Bindweed (Convolvulus arvensis ) Updated on 1/18/2013 3:34:07 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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