A modern reference to temperate woody plants, including updated content from this site and much new material, can be found at Trees and Shrubs Online.

Diervilla

Family

Caprifoliaceae

As now understood, this is a small genus of deciduous shrubs native to N. America. Its Asiatic relatives, which are of far greater importance in gardens, are now placed in the genus Weigela and are described in Vol. IV. The two genera are well distinguished from each other: in Diervilla the flowers are two-lipped, invariably yellow and borne on the current season’s growth; in Weigela the corolla is regular, yellow only in W. middendorfiana, and the flowers are borne on short lateral twigs on the growth of the previous year.

Species articles

Modern name

Some names used by Bean have now been superseded and are no longer familiar. To ensure that all plants can be easily found, under any name, we have cross-referenced to The Plant List, a collaboration between RBG Kew, Missouri Botanical Gardens and other organisations, which aims to provide a currently accepted name for any plant. Not all taxonomists will agree with all Plant List nomenclature, but it provides a baseline to compare names. For each species above, clicking on the Modern Name will link to the entry for that name on The Plant List website.