angles araucaria heterophylla Australian conifer background black branches common conifer focus foliage living Christmas tree Norfolk pine ornamental outdoor plant pine prolific pyramid shape sepia shapes silhouette symmetrical textures color colour dense depth evergreen green greenery horizontal whorls incurved indoor plant lanceolate narrow leaves overlapping potted plant spikes spiky Australian Australian-native-flora blooms boronia boronia- heterophylla bright brilliant brown bush bush-plant colored colorful coloring colors coloured colourful colouring colours display displayed flora flowers fragrance fragrant full-bloom leaves native nature nectar pinkish-red plants protected red scent shape Sizes spring stamen Western-Australia wildflowers