File:Persicaria hydropiper flowerhead1 (17005647368) (cropped).jpg

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Description Native, warm season, perennial herb with stems to 1.3 m tall (usually <1m). Above-ground plant parts turn red in autumn and die off. Leaves are 5-12 cm long with hairy leaf sheath margins. Flowerheads are elongate, slender and often drooping with greenish-white flowers that are 4 mm long and densely glandular. Flowers during the warmer months. Unsure if it has been introduced from the northern hemisphere, where it is widespread. A weed of damp to wet pastures. Common in damp places like drainage lines, edges of dams and periodically flooded areas especially on floodplains. Juice from plant will cause eyes and skin to smart, hence the common names of Smart Weed and Water Pepper. Seeds are not readily eaten, but if so may cause internal irritation to stock. In areas where ponded pasture is an option, shallow ponding will encourage water couch and discourage smart weed.
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Source Persicaria hydropiper flowerhead1
Author Harry Rose from South West Rocks, Australia
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current13:57, 9 February 2018Thumbnail for version as of 13:57, 9 February 2018940 × 681 (210 KB)Salicyna (talk | contribs)File:Persicaria hydropiper flowerhead1 (17005647368).jpg cropped 41 % horizontally and 43 % vertically using CropTool with precise mode.

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