Green roofs (GRs) are proposed to offset against numerous environmental and socio-economic concerns associated with climate change urban sprawl. In Mediterranean areas, protect conserve biodiversity through GRs, the use of native plant species from arid environments shallow roots is generally recommended. north Europe, Echium vulgare L. widely used on GRs for its tolerance abiotic stresses attr...

Bulgarian medicinal plants, which have been studied during the last years, are reviewed. The review includes the following families: Amaryllidaceae, Asteraceae, Berberidaceae, Boraginaceae, Fabaceae, Geraniaceae, Lamiaceae, Oleaceae, Onagraceae, Scrophulariaceae, Solanaceae, Ranunculaceae, Rosaceae, Rutaceae, Valerianaceae, Zygophyllaceae. Main pharmacological properties are antiviral, antimicr...

The quality control of herbal drugs and their extracts is essential when they are used as raw material for the development of herbal medicines. In this work, several techniques (pharmacopoeial and non-pharmacopoeial) were performed, aiming at establishing quality control parameters of the leaves of Heliotropium indicum L. (Boraginaceae), a shrub popularly known as stinker (fedegoso) in Brazilia...

Z. Naturforsch. 55 b, 459—461 (2000); received February 21, 2000 Biomineralization, Silica, Silicon-Accumulating Plants A series of silicon-accumulating plants [different Equisetum (horse tail) species, Echium vulgare, and Symphytum officinale] were studied by solid-state 29Si NMR experiments. For this purpose, selected parts of these plants were freeze-dried and then investigated by solid-stat...