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
Tabebuia rosea disorders. Among the various active phytochemicals in the tree is lapachol, a natural organic compound isolated from various other "Tabebuia" species. Chemically, it is a derivative of naphthoquinone, related to vitamin K. Once studied as a possible treatment for some types of cancer, lapachol's potential is now considered low due to its toxic side effects. Lapachol also has antimalarial and antipanasomal effects. Tabebuia rosea Tabebuia rosea, also called pink poui, and rosy trumpet tree is a neotropical tree that grows up to and can reach a diameter at breast height of up to . The name Roble de Sabana, meaning