File:Brassica napus habit3 (14494788558).jpg

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Canola growing in the Merriwa to Denman region in crop and by roadside. Canola growing in the Merriwa to Denman region in crop and by roadside. Flowerheads infested with aphids.

Introduced, cool-season, annual or biennial herb to 1.5 m tall, usually with a strong taproot. Stems are erect and scarcely branched. Leaves are grey-green. Lower leaves are stalked, lyrate-pinnatifid and 5–20 cm long; nerves sparingly bristly. Upper leaves are stem-clasping, sessile and oblong-lanceolate. Flowerheads are racemes. Flowers are bright yellow, with 4 petals and 6 stamens. Fruit are siliquas, obliquely erect, 5–10 cm long, obscurely 4-angled, with a 5–20 mm long, tapering beak. Flowering is from winter to spring.
Date
Source Brassica napus habit3
Author Harry Rose from South West Rocks, Australia

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Macleay Grass Man at https://www.flickr.com/photos/73840284@N04/14494788558. It was reviewed on 26 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

26 May 2015

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Date/TimeThumbnailDimensionsUserComment
current14:21, 26 May 2015Thumbnail for version as of 14:21, 26 May 20154,000 × 3,000 (5.4 MB)Amada44 (talk | contribs)Transferred from Flickr via Flickr2Commons

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