astilbe clusters color colored colorful colors colour coloured colourful colours cultivars dense false-goats-beard false-spiraea feathery feathery-plumes flower-clusters flowers foliage herbaceous-flowering-plants hybrids long-blooming meadowsweet perennials pink plume plume-like-flowers plumes profuse profuse-blooms stalks angles background deciduous delonix regia fan-like feathery leaves flamboyant tree green greenery leaves light lines pale green radiatingn royal poinciana summer textures tree allocasuarina allocasuarina-decaisneana angiosperm arid Australian-pine branchlets Casuarina conifer-like desert-country desert-oak desert-region distinctive dry evergreen feathery-foliage hardy hot inland leaf medium-sized tree native she-oak sheoak tiny-scales trees vegetation whorls beautiful brilliant delonix-regia extensive-flowering feathery-leaves flamboyant flamboyant-tree flora flower flowering-flamboyant-tree mass-of-blooms pale-green petals radiating red royal-poinciana anise-like-flavoring aromatic culinary edible fennel filiform fine flavor flavorful flavoring flavour flavourful flavouring foeniculum-vulgare herb medicinal mediterranean perennial segments threadlike umbelliferous vegetable