To determine the relative importance of variation in several plant characters on susceptibility to herbivores, we examined patterns of seed predation by two monophagous insect species and patterns of ...
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A PROCEDURE for the preparation of a floral initiating extract from the leaf tissues of Xanthium strumarium has been described in an earlier report1. In general, the procedure involves the rapid ...
China: seeds ground into flour and baked into cakes. Young leafy shoots thoroughly boiled and washed to remove bitter element, possibly tannin, as the plant is an active styptic. Manchuria: leaves ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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