File:Bidens pilosa stem2 (14975834417).jpg
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Size of this preview: 800 × 532 pixels. Other resolutions: 320 × 213 pixels | 640 × 425 pixels | 1,024 × 680 pixels | 1,280 × 851 pixels | 2,560 × 1,701 pixels | 4,912 × 3,264 pixels.
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| Description | Introduced, yearlong-green to warm-season, annual to short-lived perennial, hairless to densely hairy herb to 1 m tall. Leaves are opposite, 6-12 cm long, 3-5 lobed and toothed. Flowerheads are in loose cymes or heads are solitary. Heads are 5-15 mm wide, with yellow central florets; white ray florets may be present. Fruit are 6-12 mm long, dark and linear; with 2-3 barbs at the tip. Flowering is year-round, but mainly from summer to autumn. A native of tropical America, it is a weed of disturbed areas, such as roadsides, pastures, maize, and sorghum. Sometimes incorrectly referred to as fleabane. An indicator of disturbance or low ground cover. Potentially toxic to sheep and cattle when plants accumulate high levels of nitrate (more likely on fertile sites). The risk to goats is low. Plants with normal nitrate levels are palatable and safe to graze. Burrs are a nuisance as they readily attached to clothing and fur. Aromatic oil in the plant has an offensive smell and can taint milk. Plants can be controlled by healthy vigorous pastures, grazing (goats preferred), chipping or hand pulling, slashing and herbicides. |
| Date | |
| Source | Bidens pilosa stem2 |
| Author | Harry Rose from South West Rocks, Australia |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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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@N04/14975834417. It was reviewed on 26 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:21, 26 May 2015 | | 4,912 × 3,264 (3.09 MB) | Amada44 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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