Malvaceae A number of species, including "Hibiscus syriacus", "Hibiscus rosa-sinensis" and "Alcea rosea" are garden plants. Malvaceae Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ornamentals, such as "Alcea" (hollyhock), "Malva" (mallow) and "Lavatera" (tree mallow). The largest genera in terms of number of species include "Hibiscus" (300 species), "Sterculia" (250 species), "Dombeya" (250 species), "Pavonia" (200 species) and "Sida" (200 species). The circumscription of the Malvaceae is controversial. The traditional Malvaceae
San Francisco Flower & Garden Show Garden Show in northern California were the Oakland Spring Flower Show which was produced by the California Association of Nurserymen from 1930 to 1978 (with a three-year hiatus from 1943 to 1945 because of World War II). In the early 1980s the rock ‘n roll impresario Bill Graham produced two annual flower shows at the Cow Palace. The show as it appears today was started in 1986 as the San Francisco Landscape Garden Show by volunteers for the Friends of Recreation and Parks in San Francisco as a fundraiser for that organization (in 2006 the organization’s name changed to San