This genus includes 6-7 species of small perennial plants with a prostrate habit, originating in Malaysia and southern Asia. The Hemigraphis repanda reaches 15-20 cm in height, and tends to develop very wide; it has thin semi-woody stems, very branched, which bear thin lanceolate leaves, sometimes serrated and lobed, of a greenish-purple color, silver on the lower side and with shades tending to purple and pink; from spring to autumn it produces small creamy-white flowers.
The Linum grandiflorum is an annual herbaceous plant belonging to the same genus of L. usatissimus, used for the production of textile fiber, originating in the Mediterranean area. This genus also includes numerous other species of ornamental herbaceous plants, both perennial and annual, originating in Europe and New Zealand.
The scrape is a perennial herbaceous plant native to Australia; develops erect or hanging, like ground cover, not exceeding 20-30 cm in height; in nature it is a perennial plant, but it fears the cold and badly bears the humid winters of our peninsula, where it is grown as an annual, or as a houseplant during the winter months.
Family that includes about fifty species of orchids, mostly terricolous, originating in Africa, Asia, Australia and the islands of the Pacific Ocean. It has fleshy pseudobulbs that are usually gathered in large groups, the leaves are long and very decorative, light green in color, in spring it produces a long stem at the end of which numerous flowers of considerable size bloom, of white, green, yellow or pink color.
As it happens for many other widespread fruits in cultivation in Europe, also the apricot is collected on the plants of a species of prunus, called Prunus armeniaca; small tree, which reaches 5-8 meters in height, with deciduous leaves, originating in China, widespread for millennia throughout Asia, Europe and the Mediterranean area.
"Title =" Green roofs - green roofs "> Green roofs When ancient habits marry new technologies, the result is a better life and less pollution; with the concept of green roofs we indicate those roofs of houses, which for centuries have been used in northern Europe, especially in some areas of the Scandinavian countries, where the roofing of buildings is carried out with humus or soil, instead of tiles or other material, on which ground cover essences are developed, so that they make the roof a real turf.