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
Cylindropuntia rosea where they work and live. Spraying has reduced the occurrence of this plant in the Lightning Ridge area, but constant follow-up spraying will be needed for further control. The New South Walrd Government has spent $200,000 on management of this weed. Cylindropuntia rosea Cylindropuntia rosea, the Hudson pear, is a cactus Australian botanists attribute to being native to the Sonoran Desert in Arizona and Northwestern Mexico. The plant is an invasive species in Australia. "Cylindropuntia rosea", the Hudson pear, has pink flowers and white spines. It has long, white, strong spines and can grow up to 1.5 metres high and