File:Oxalis pes-caprae flowerhead4 (14726670721).jpg
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| Description | Introduced, cool-season, perennial herb, with a fleshy white rhizome and 2-3 cm long,brown bulbs; bulbils are formed on a white fleshy rhizome and in axils of basal leaves. Vegetative parts die off during summer and re-shoot again in autumn. Aerial stems are absent or greatly reduced. Leaves are trifoliolate; leaflets are heart-shaped and 1-3 cm across, often with dark blotches. Yellow flowers occur in groups of 3-25 at the tips of stems that arise from the base of the plant. Sepals 5. Petals 5 and fused. Produces vegetative shoots in autumn and most flowering is in late winter and spring. No fruit are produced in Australia. A native of South Africa, it was introduced as a garden ornamental. It occurs where annual rainfall is greater than 320 mm per annum and colonises disturbed soils with moderate to high fertility & good moisture holding capacity. Spread by tuberous bulbs, bulbils and rhizomes. Disturbance of a colony can result in massive recruitment of new plants. Heavy infestations can be as dense as 3000 plants per square metre. A garden escape, it is now a weed of pastures, crops and orchards where it is extremely difficult to control once established. Competitive in pastures from autumn-spring, especially in winter rainfall annual pastures. It has been know to cause oxalate poisoning in sheep. Plants can be controlled by digging and removing bulbs or repeated use of herbicides. |
| Date | |
| Source | Oxalis pes-caprae flowerhead4 |
| 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@N04/14726670721. 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 | |
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| current | 15:10, 26 May 2015 | | 2,848 × 2,136 (1.55 MB) | Amada44 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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