Annual plant Australia coast dune flower grass Great Ocean Road Herbaceous plant petal plant Plant community Purple Groundsel sand Senecio elegans Terrestrial plant bloom flowers garden growing nature sun sunflower sunflowers sunny yellow botanic garden botanics carnivorous catch danger devour digests Dionaea muscipula eating flies fly Flytrap glasgow green grip insect insect eating nutrition plants red savage trap Venus aquatic flowering Nymphaeaceae pink stalk water lilies water lily white blossom buds bush hibiscus leaves locust petals balcony blooming orange petunia potted surfinia yard