Androdioecy (the coexistence of two genders, cosexuals and males, in a single population) is a rare breeding system. In terms of functional, gamete production, androdioecy has been reported in a small ...

Ten years of dynamic changes in the deciduous woodland at Åsmansboda, an island in the outer archipelago of Stockholm, were recorded by monitoring of individual trees. The objective was to document ...

The Arizona ash (Fraxinus velutina), also known as velvet ash, is a pretty, lush, deciduous native shade tree that does well in our climate. In the Tucson area, it’s native habitat is riparian, so it ...

Eight years ago, it was rare to hear unqualified praise for our native ash tree, Fraxinus excelsior. Yes, it was handsome, but it seeded itself around with a promiscuity that made sycamore seem ...

Ash trees, the second most abundant trees in Europe, are quickly being pushed towards extinction by the invasive emerald ash borer beetle and the fungus causing ash dieback. In Britain, ash dieback ...