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The Earliest Fleshy Cone of Ephedra from the Early Cretaceous Yixian Formation of Northeast China
Bracts of female cones of extant gymnosperm Ephedra (Joint fir) are either colorful and fleshy (section Ephedra), or dry-winged and membranous (section Alatae), or dry and coriaceous (section Asarca), which have played a crucial role in long-distance seed dispersal that is responsible for a wide dis...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Public Library of Science
2013
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3544918/ https://www.ncbi.nlm.nih.gov/pubmed/23341964 http://dx.doi.org/10.1371/journal.pone.0053652 |