A Novel Type of Fiber in the Leaves of the Cycad Dioon
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DOI: 10.1086/696684
Abstract: Premise of research. The extant genera of cycads (order Cycadales) can be readily distinguished by the anatomy of their leaflets. In particular, the genus Dioon possesses a unique cellulosic fiber type in the leaflet mesophyll, not… read more here.
Keywords: dioon; anatomy; fiber; cell types ... See more keywords
Evolutionary and ecological trends in the Neotropical cycad genus Dioon (Zamiaceae): An example of success of evolutionary stasis
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DOI: 10.1111/1440-1703.12442
Abstract: Cycads represent an example of the success of evolutionary stasis. Despite their early origin, they survived multiple events of mass extinction and diversified in modern tropical ecosystems during the Cenozoic without major changes in their… read more here.
Keywords: success evolutionary; evolutionary stasis; dioon; example success ... See more keywords
Species definition of Dioon sonorense (Zamiaceae, Cycadales), and description of D. vovidesii , a new cycad species from northwestern Mexico
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DOI: 10.11646/phytotaxa.369.2.4
Abstract: The cycad genus Dioon (Zamiaceae) was described by J. Lindley in the 19 th century, but most species were discovered during the late 1970s through the mid-1980s. Despite recent efforts to clarify the actual species… read more here.
Keywords: sonorense; zamiaceae; dioon; cycad ... See more keywords