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 Francisco Parks Trust). The first show featured a tribute garden to San Francisco landscape architect, Thomas Dolliver Church (1902-1978), designed by Pam-Anela Messenger. For its first eleven years (1986-1997) the show held at Ft. Mason in San Francisco. In 1997 Salmon Bay Events, the Seattle-based company owned by Duane and Alice Kelly that had started the Northwest Flower & Garden Show, acquired the San Francisco Landscape Garden Show, changed its name to the San Francisco Flower & Garden Show, and moved the show from Ft. Mason to the Cow Palace. For the next eleven years (1998-2008) it was held at