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Scarlet Pimpernel
Anagallis arvensis
Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension
Scarlet pimpernel is seldom a weed problem. It is also called red chickweed because the leaf shape is so similar and it is a prostrate plant. Another name, poor man's weatherglass, alludes to the fact that the flower closes at the approach of bad weather. An annual reproducing by seeds.
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