black background charming color creation edible feminine flowers garden gift girly glowing isolated love nastutiums peace pink pretty salad spring summer tri-colour trio white yellow Australian coral tree brittle branches colored colorful colors colour coloured colourful colours curved petals deciduous dicotyledonous erythrina erythrina x sykesii fabaceae finger-like flora hardy hybrid invasive long petals non-seeding perennial pest scarlet flowers sterile hybrid tall tree thorny tolerant tri-foliolate tubular petals upward-pointing radial pattern vigorous vigorously growing tree weed