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 San Francisco Flower & Garden Show The San Francisco Flower & Garden Show is an annual public show serving the northern California, USA region. Attendance ranges from 25,000 - 30,000. The show is five days long, running Wednesday through Sunday, and is typically held in March. The show consists of three main components: approximately 15 display gardens ranging from 500 to 1,500 sq. ft. in size, educational displays, vendors promoting and selling garden-related products, and free seminars. Seminar speakers include garden and design experts from the U.S. West Coast. Two large flower shows that preceded the San Francisco Flower &