Flower Hibiscus (Hibiscus rosa-sinensis L ) is a shrub of Malvaceae tribe originating from East Asia and is widely grown as an ornamental plant in the tropics and subtropics. Large flower, red and odorless. Hibiscus rosa-sinensis L is a shrub of Malvaceae tribe originating from East Asia and is widely grown as an ornamental plant in the tropics and subtropics. Large flower, red and odorless.