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cycad |
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cycad a member of the plant genus of cycas, dioecious, non-flowering woody plants (gymnosperms) which produce seeds in a woody cone consisting of exposed seed leaves (sporophylls), not enclosed in an ovary. The leaves are usually in a rosette at the top of the stem, which may be subterranean. Include Bowenia, Cycas, Dioon, Encephalartos, Lepidozamia, Macrozamia, Zamia spp. cycad glycoside group of glycosides including cycasin, macrozamin, found in cycad plants; oxidized in vivo to release toxin methylazoxymethanol (MAM). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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