Atriplex(redirected from Red orach)
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1. a genus of the plant family Chenopodiaceae; saltbushes. They are an excellent source of feed but are facultative indicator plants and may lead to selenium poisoning when growing on selenium-rich soils. Includes North American species A. canescens, A. nuttalii, A. patula, A. rosea.
2. Australian species may be toxic by virtue of a high nitrate or oxalate content, e.g. A. muelleri, A. semibaccata.