Hibiscus or Red Raya Flower is also called Hibiscus rosa-sinensis.Hibiscus or Red Raya Flower is also called Hibiscus rosa-sinensis. This flower is often planted as decoration in front of the house. It has several colors such as orange or pink but what is often found is bright red as in the picture with an elongated pistil that is yellow and red at the tip of the pistil.