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Full-Text Articles in Life Sciences
Meadow Beauty Rhexia Mariana L., Gene Silberhorn
Meadow Beauty Rhexia Mariana L., Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen ident
Seedling Development In Species Of Chamaesyce (Euphorbiaceae) With Erect Growth Habits, W. John Hayden, Olga Troyanskaya
Seedling Development In Species Of Chamaesyce (Euphorbiaceae) With Erect Growth Habits, W. John Hayden, Olga Troyanskaya
Biology Faculty Publications
Seedling development is described for Chamaesyce hirta, C. hypericifolia, and C. mesembrianthemifolia as discerned by light microscopy and scanning electron microscopy. Although these species ultimately develop erect to ascending growth habits, epicotyl development is limited to the production of a single pair ofleaves located immediately superjacent to and decussate with the cotyledons. The shoot system develops from one or more buds located in the axils of the cotyledons. In all respects, seedling ontogeny is very similar to that of previously studied prostrate species of Chamaesyce. Evidence from seedling ontogeny thus contradicts a hypothesis concerning homologies of plant …